Remove unused Cleanup() call

It was used to clean up shared memory.  We don't construct that anymore,
so remove the useless call.

Change-Id: I8087cef2afce184f66721a9995a63053fb278ec7
diff --git a/y2014/actors/autonomous_actor_main.cc b/y2014/actors/autonomous_actor_main.cc
index 44e10d0..524c8f8 100644
--- a/y2014/actors/autonomous_actor_main.cc
+++ b/y2014/actors/autonomous_actor_main.cc
@@ -15,6 +15,5 @@
 
   event_loop.Run();
 
-  ::aos::Cleanup();
   return 0;
 }
diff --git a/y2014/actors/shoot_actor_main.cc b/y2014/actors/shoot_actor_main.cc
index ef06915..9ae0f9d 100644
--- a/y2014/actors/shoot_actor_main.cc
+++ b/y2014/actors/shoot_actor_main.cc
@@ -15,6 +15,5 @@
 
   event_loop.Run();
 
-  ::aos::Cleanup();
   return 0;
 }
diff --git a/y2014/control_loops/claw/claw_main.cc b/y2014/control_loops/claw/claw_main.cc
index 6e8ff43..94936b5 100644
--- a/y2014/control_loops/claw/claw_main.cc
+++ b/y2014/control_loops/claw/claw_main.cc
@@ -14,6 +14,5 @@
 
   event_loop.Run();
 
-  ::aos::Cleanup();
   return 0;
 }
diff --git a/y2014/control_loops/drivetrain/drivetrain_main.cc b/y2014/control_loops/drivetrain/drivetrain_main.cc
index 651757f..c208738 100644
--- a/y2014/control_loops/drivetrain/drivetrain_main.cc
+++ b/y2014/control_loops/drivetrain/drivetrain_main.cc
@@ -20,6 +20,5 @@
 
   event_loop.Run();
 
-  ::aos::Cleanup();
   return 0;
 }
diff --git a/y2014/control_loops/shooter/shooter_main.cc b/y2014/control_loops/shooter/shooter_main.cc
index 6f3b1f2..88c40d0 100644
--- a/y2014/control_loops/shooter/shooter_main.cc
+++ b/y2014/control_loops/shooter/shooter_main.cc
@@ -14,6 +14,5 @@
 
   event_loop.Run();
 
-  ::aos::Cleanup();
   return 0;
 }
diff --git a/y2014/joystick_reader.cc b/y2014/joystick_reader.cc
index 3f52c46..f903270 100644
--- a/y2014/joystick_reader.cc
+++ b/y2014/joystick_reader.cc
@@ -454,5 +454,5 @@
 
   event_loop.Run();
 
-  ::aos::Cleanup();
+  return 0;
 }