Remove old y2018_bot3 bot.

I've been told it has been disassembled.  Time to remove its code.

Change-Id: I5038aba7862ca7600563aab1a3224d111623d7d7
diff --git a/y2018_bot3/BUILD b/y2018_bot3/BUILD
deleted file mode 100644
index 49ae5a5..0000000
--- a/y2018_bot3/BUILD
+++ /dev/null
@@ -1,5 +0,0 @@
-py_library(
-    name = "python_init",
-    srcs = ["__init__.py"],
-    visibility = ["//visibility:public"],
-)
diff --git a/y2018_bot3/__init__.py b/y2018_bot3/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/y2018_bot3/__init__.py
+++ /dev/null
diff --git a/y2018_bot3/control_loops/BUILD b/y2018_bot3/control_loops/BUILD
deleted file mode 100644
index da1a4aa..0000000
--- a/y2018_bot3/control_loops/BUILD
+++ /dev/null
@@ -1,6 +0,0 @@
-py_library(
-    name = "python_init",
-    srcs = ["__init__.py"],
-    visibility = ["//visibility:public"],
-    deps = ["//y2018_bot3:python_init"],
-)
diff --git a/y2018_bot3/control_loops/__init__.py b/y2018_bot3/control_loops/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/y2018_bot3/control_loops/__init__.py
+++ /dev/null
diff --git a/y2018_bot3/control_loops/drivetrain/BUILD b/y2018_bot3/control_loops/drivetrain/BUILD
deleted file mode 100644
index 62484c0..0000000
--- a/y2018_bot3/control_loops/drivetrain/BUILD
+++ /dev/null
@@ -1,80 +0,0 @@
-load("//aos/build:queues.bzl", "queue_library")
-
-genrule(
-    name = "genrule_drivetrain",
-    outs = [
-        "drivetrain_dog_motor_plant.h",
-        "drivetrain_dog_motor_plant.cc",
-        "kalman_drivetrain_motor_plant.h",
-        "kalman_drivetrain_motor_plant.cc",
-    ],
-    cmd = "$(location //y2018_bot3/control_loops/python:drivetrain) $(OUTS)",
-    tools = [
-        "//y2018_bot3/control_loops/python:drivetrain",
-    ],
-)
-
-genrule(
-    name = "genrule_polydrivetrain",
-    outs = [
-        "polydrivetrain_dog_motor_plant.h",
-        "polydrivetrain_dog_motor_plant.cc",
-        "polydrivetrain_cim_plant.h",
-        "polydrivetrain_cim_plant.cc",
-        "hybrid_velocity_drivetrain.h",
-        "hybrid_velocity_drivetrain.cc",
-    ],
-    cmd = "$(location //y2018_bot3/control_loops/python:polydrivetrain) $(OUTS)",
-    tools = [
-        "//y2018_bot3/control_loops/python:polydrivetrain",
-    ],
-)
-
-cc_library(
-    name = "polydrivetrain_plants",
-    srcs = [
-        "drivetrain_dog_motor_plant.cc",
-        "hybrid_velocity_drivetrain.cc",
-        "kalman_drivetrain_motor_plant.cc",
-        "polydrivetrain_dog_motor_plant.cc",
-    ],
-    hdrs = [
-        "drivetrain_dog_motor_plant.h",
-        "hybrid_velocity_drivetrain.h",
-        "kalman_drivetrain_motor_plant.h",
-        "polydrivetrain_dog_motor_plant.h",
-    ],
-    deps = [
-        "//frc971/control_loops:hybrid_state_feedback_loop",
-        "//frc971/control_loops:state_feedback_loop",
-    ],
-)
-
-cc_library(
-    name = "drivetrain_base",
-    srcs = [
-        "drivetrain_base.cc",
-    ],
-    hdrs = [
-        "drivetrain_base.h",
-    ],
-    deps = [
-        ":polydrivetrain_plants",
-        "//frc971:shifter_hall_effect",
-        "//frc971/control_loops/drivetrain:drivetrain_config",
-    ],
-)
-
-cc_binary(
-    name = "drivetrain",
-    srcs = [
-        "drivetrain_main.cc",
-    ],
-    visibility = ["//visibility:public"],
-    deps = [
-        ":drivetrain_base",
-        "//aos:init",
-        "//aos/events:shm-event-loop",
-        "//frc971/control_loops/drivetrain:drivetrain_lib",
-    ],
-)
diff --git a/y2018_bot3/control_loops/drivetrain/drivetrain_base.cc b/y2018_bot3/control_loops/drivetrain/drivetrain_base.cc
deleted file mode 100644
index 23b0705..0000000
--- a/y2018_bot3/control_loops/drivetrain/drivetrain_base.cc
+++ /dev/null
@@ -1,56 +0,0 @@
-#include "y2018_bot3/control_loops/drivetrain/drivetrain_base.h"
-
-#include <chrono>
-
-#include "frc971/control_loops/drivetrain/drivetrain_config.h"
-#include "frc971/control_loops/state_feedback_loop.h"
-#include "y2018_bot3/control_loops/drivetrain/hybrid_velocity_drivetrain.h"
-#include "y2018_bot3/control_loops/drivetrain/drivetrain_dog_motor_plant.h"
-#include "y2018_bot3/control_loops/drivetrain/kalman_drivetrain_motor_plant.h"
-#include "y2018_bot3/control_loops/drivetrain/polydrivetrain_dog_motor_plant.h"
-
-using ::frc971::control_loops::drivetrain::DrivetrainConfig;
-
-namespace chrono = ::std::chrono;
-
-namespace y2018_bot3 {
-namespace control_loops {
-namespace drivetrain {
-
-namespace {
-const ::frc971::constants::ShifterHallEffect kThreeStateDriveShifter{
-    0.0, 0.0, 0.25, 0.75};
-}  // namespace
-
-const DrivetrainConfig<double> &GetDrivetrainConfig() {
-  static DrivetrainConfig<double> kDrivetrainConfig{
-      ::frc971::control_loops::drivetrain::ShifterType::SIMPLE_SHIFTER,
-      ::frc971::control_loops::drivetrain::LoopType::CLOSED_LOOP,
-      ::frc971::control_loops::drivetrain::GyroType::SPARTAN_GYRO,
-      ::frc971::control_loops::drivetrain::IMUType::IMU_X,
-
-      drivetrain::MakeDrivetrainLoop,
-      drivetrain::MakeVelocityDrivetrainLoop,
-      drivetrain::MakeKFDrivetrainLoop,
-      drivetrain::MakeHybridVelocityDrivetrainLoop,
-
-      chrono::duration_cast<chrono::nanoseconds>(
-          chrono::duration<double>(drivetrain::kDt)),
-      drivetrain::kRobotRadius, drivetrain::kWheelRadius, drivetrain::kV,
-
-      drivetrain::kHighGearRatio, drivetrain::kHighGearRatio,
-      drivetrain::kJ,
-      drivetrain::kMass,
-      kThreeStateDriveShifter, kThreeStateDriveShifter,
-      // TODO(sabina): confirm once robot is built
-      true /* default_high_gear */, 0 /* down_offset */,
-      0.4 /* wheel_non_linearity */, 1.0 /* quickturn_wheel_multiplier */,
-      1.0 /* wheel_multiplier */,
-  };
-
-  return kDrivetrainConfig;
-};
-
-}  // namespace drivetrain
-}  // namespace control_loops
-}  // namespace y2018_bot3
diff --git a/y2018_bot3/control_loops/drivetrain/drivetrain_base.h b/y2018_bot3/control_loops/drivetrain/drivetrain_base.h
deleted file mode 100644
index 2368c96..0000000
--- a/y2018_bot3/control_loops/drivetrain/drivetrain_base.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef Y2018_BOT3_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_
-#define Y2018_BOT3_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_
-
-#include "frc971/control_loops/drivetrain/drivetrain_config.h"
-
-namespace y2018_bot3 {
-namespace control_loops {
-namespace drivetrain {
-
-const ::frc971::control_loops::drivetrain::DrivetrainConfig<double>
-    &GetDrivetrainConfig();
-
-}  // namespace drivetrain
-}  // namespace control_loops
-}  // namespace y2018_bot3
-
-#endif  // Y2018_BOT3_CONTROL_LOOPS_DRIVETRAIN_DRIVETRAIN_BASE_H_
diff --git a/y2018_bot3/control_loops/drivetrain/drivetrain_main.cc b/y2018_bot3/control_loops/drivetrain/drivetrain_main.cc
deleted file mode 100644
index 095aaf9..0000000
--- a/y2018_bot3/control_loops/drivetrain/drivetrain_main.cc
+++ /dev/null
@@ -1,24 +0,0 @@
-#include "aos/init.h"
-
-#include "aos/events/shm-event-loop.h"
-#include "frc971/control_loops/drivetrain/drivetrain.h"
-#include "y2018_bot3/control_loops/drivetrain/drivetrain_base.h"
-
-using ::frc971::control_loops::drivetrain::DrivetrainLoop;
-
-int main() {
-  ::aos::InitNRT(true);
-
-  ::aos::ShmEventLoop event_loop;
-  ::frc971::control_loops::drivetrain::DeadReckonEkf localizer(
-      &event_loop,
-      ::y2018_bot3::control_loops::drivetrain::GetDrivetrainConfig());
-  DrivetrainLoop drivetrain(
-      ::y2018_bot3::control_loops::drivetrain::GetDrivetrainConfig(),
-      &event_loop, &localizer);
-
-  event_loop.Run();
-
-  ::aos::Cleanup();
-  return 0;
-}
diff --git a/y2018_bot3/control_loops/python/BUILD b/y2018_bot3/control_loops/python/BUILD
deleted file mode 100644
index 5b6f0a2..0000000
--- a/y2018_bot3/control_loops/python/BUILD
+++ /dev/null
@@ -1,54 +0,0 @@
-package(default_visibility = ["//y2018_bot3:__subpackages__"])
-
-py_binary(
-    name = "drivetrain",
-    srcs = [
-        "drivetrain.py",
-    ],
-    legacy_create_init = False,
-    restricted_to = ["//tools:k8"],
-    deps = [
-        ":python_init",
-        "//external:python-gflags",
-        "//external:python-glog",
-        "//frc971/control_loops/python:drivetrain",
-    ],
-)
-
-py_binary(
-    name = "polydrivetrain",
-    srcs = [
-        "drivetrain.py",
-        "polydrivetrain.py",
-    ],
-    legacy_create_init = False,
-    restricted_to = ["//tools:k8"],
-    deps = [
-        ":python_init",
-        "//external:python-gflags",
-        "//external:python-glog",
-        "//frc971/control_loops/python:polydrivetrain",
-    ],
-)
-
-py_library(
-    name = "polydrivetrain_lib",
-    srcs = [
-        "drivetrain.py",
-        "polydrivetrain.py",
-    ],
-    restricted_to = ["//tools:k8"],
-    deps = [
-        "//external:python-gflags",
-        "//external:python-glog",
-        "//frc971/control_loops/python:controls",
-        "//frc971/control_loops/python:drivetrain",
-    ],
-)
-
-py_library(
-    name = "python_init",
-    srcs = ["__init__.py"],
-    visibility = ["//visibility:public"],
-    deps = ["//y2018_bot3/control_loops:python_init"],
-)
diff --git a/y2018_bot3/control_loops/python/__init__.py b/y2018_bot3/control_loops/python/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/y2018_bot3/control_loops/python/__init__.py
+++ /dev/null
diff --git a/y2018_bot3/control_loops/python/drivetrain.py b/y2018_bot3/control_loops/python/drivetrain.py
deleted file mode 100644
index 1d3ad4b..0000000
--- a/y2018_bot3/control_loops/python/drivetrain.py
+++ /dev/null
@@ -1,40 +0,0 @@
-#!/usr/bin/python
-
-from frc971.control_loops.python import drivetrain
-import sys
-
-import gflags
-import glog
-
-FLAGS = gflags.FLAGS
-
-gflags.DEFINE_bool('plot', False, 'If true, plot the loop response.')
-
-#TODO(sabina): update values
-kDrivetrain = drivetrain.DrivetrainParams(
-    J=1.0,
-    mass=1.0,
-    robot_radius=0.6 / 2.0,
-    wheel_radius=4.0 / 2.0,
-    G_high=1.0,
-    G_low=1.0,
-    q_pos_low=0.12,
-    q_pos_high=0.14,
-    q_vel_low=1.0,
-    q_vel_high=0.95,
-    has_imu=False)
-
-def main(argv):
-    argv = FLAGS(argv)
-    glog.init()
-
-    if FLAGS.plot:
-        drivetrain.PlotDrivetrainMotions(kDrivetrain)
-    elif len(argv) != 5:
-        print "Expected .h file name and .cc file name"
-    else:
-        # Write the generated constants out to a file.
-        drivetrain.WriteDrivetrain(argv[1:3], argv[3:5], 'y2018_bot3', kDrivetrain)
-
-if __name__ == '__main__':
-    sys.exit(main(sys.argv))
diff --git a/y2018_bot3/control_loops/python/polydrivetrain.py b/y2018_bot3/control_loops/python/polydrivetrain.py
deleted file mode 100644
index 6037138..0000000
--- a/y2018_bot3/control_loops/python/polydrivetrain.py
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/usr/bin/python
-
-import sys
-from y2018_bot3.control_loops.python import drivetrain
-from frc971.control_loops.python import polydrivetrain
-
-import gflags
-import glog
-
-__author__ = 'Austin Schuh (austin.linux@gmail.com)'
-
-FLAGS = gflags.FLAGS
-
-try:
-  gflags.DEFINE_bool('plot', False, 'If true, plot the loop response.')
-except gflags.DuplicateFlagError:
-  pass
-
-def main(argv):
-  if FLAGS.plot:
-    polydrivetrain.PlotPolyDrivetrainMotions(drivetrain.kDrivetrain)
-  elif len(argv) != 7:
-    glog.fatal('Expected .h file name and .cc file name')
-  else:
-    polydrivetrain.WritePolyDrivetrain(argv[1:3], argv[3:5], argv[5:7],
-                                       'y2018_bot3', drivetrain.kDrivetrain)
-
-if __name__ == '__main__':
-  argv = FLAGS(sys.argv)
-  glog.init()
-  sys.exit(main(argv))