Convert y2018 over to use the new SensorReader class

Another step in converting to event loops.

Change-Id: Ia1d60e3495281c9735bf1c5f92958dbdd2822429
diff --git a/y2018/BUILD b/y2018/BUILD
index 2a510a9..1fc9d1b 100644
--- a/y2018/BUILD
+++ b/y2018/BUILD
@@ -76,7 +76,6 @@
         "//aos/logging",
         "//aos/logging:queue_logging",
         "//aos/robot_state",
-        "//aos/stl_mutex",
         "//aos/time",
         "//aos/util:log_interval",
         "//aos/util:phased_loop",
@@ -89,12 +88,11 @@
         "//frc971/wpilib:dma",
         "//frc971/wpilib:dma_edge_counting",
         "//frc971/wpilib:encoder_and_potentiometer",
-        "//frc971/wpilib:interrupt_edge_counting",
         "//frc971/wpilib:joystick_sender",
         "//frc971/wpilib:logging_queue",
         "//frc971/wpilib:loop_output_handler",
         "//frc971/wpilib:pdp_fetcher",
-        "//frc971/wpilib:wpilib_interface",
+        "//frc971/wpilib:sensor_reader",
         "//frc971/wpilib:wpilib_robot_base",
         "//third_party:wpilib",
         "//third_party/Phoenix-frc-lib:phoenix",