Remove global .frc971.control_loops.drivetrain_queue object

Change-Id: I424f09dcc8bc210e49cbdc805d1a423a72332617
diff --git a/y2018/actors/autonomous_actor.cc b/y2018/actors/autonomous_actor.cc
index 5b4bda8..80cdbe9 100644
--- a/y2018/actors/autonomous_actor.cc
+++ b/y2018/actors/autonomous_actor.cc
@@ -16,12 +16,13 @@
 using ::frc971::ProfileParameters;
 
 using ::aos::monotonic_clock;
-using ::frc971::control_loops::drivetrain_queue;
 namespace chrono = ::std::chrono;
 namespace this_thread = ::std::this_thread;
 
 namespace {
 
+namespace arm = ::y2018::control_loops::superstructure::arm;
+
 const ProfileParameters kFinalSwitchDrive = {0.5, 1.5};
 const ProfileParameters kDrive = {5.0, 2.5};
 const ProfileParameters kThirdBoxDrive = {3.0, 2.5};