force all loops to handle not having goals

Change-Id: I630f98d3b373f4c5e8fc6dec589dd5b077a9a391
diff --git a/frc971/control_loops/fridge/fridge.cc b/frc971/control_loops/fridge/fridge.cc
index 9533ddf..65ee72e 100644
--- a/frc971/control_loops/fridge/fridge.cc
+++ b/frc971/control_loops/fridge/fridge.cc
@@ -56,7 +56,7 @@
 }
 
 Fridge::Fridge(control_loops::FridgeQueue *fridge)
-    : aos::controls::ControlLoop<control_loops::FridgeQueue, false>(fridge),
+    : aos::controls::ControlLoop<control_loops::FridgeQueue>(fridge),
       arm_loop_(new CappedStateFeedbackLoop(
           StateFeedbackLoop<4, 2, 2>(MakeArmLoop()))),
       elevator_loop_(new CappedStateFeedbackLoop(