Drop suffixes on binary names

They were only there to work around a GYP limitation.

Change-Id: Ia6a527f3824c4a5561df0d538ec3d32109350272
diff --git a/y2014_bot3/control_loops/drivetrain/BUILD b/y2014_bot3/control_loops/drivetrain/BUILD
index c1b1433..66b8275 100644
--- a/y2014_bot3/control_loops/drivetrain/BUILD
+++ b/y2014_bot3/control_loops/drivetrain/BUILD
@@ -3,7 +3,7 @@
 load('/aos/build/queues', 'queue_library')
 
 cc_binary(
-  name = 'replay_drivetrain_y2014_bot3',
+  name = 'replay_drivetrain',
   srcs = [
     'replay_drivetrain.cc',
   ],
@@ -83,7 +83,7 @@
 )
 
 cc_binary(
-  name = 'drivetrain_y2014_bot3',
+  name = 'drivetrain',
   srcs = [
     'drivetrain_main.cc',
   ],