Split up zeroing library BUILD rules

There was no good reason for one build rule to have both the interface
and a bunch of implementations; split it up and make the relevant users
depend on the libraries directly.

Change-Id: If6a0aa49dd7ea588b7325604658bc0594db4aac0
Signed-off-by: James Kuszmaul <jabukuszmaul+collab@gmail.com>
diff --git a/y2022/control_loops/superstructure/catapult/BUILD b/y2022/control_loops/superstructure/catapult/BUILD
index a43925e..36e34bd 100644
--- a/y2022/control_loops/superstructure/catapult/BUILD
+++ b/y2022/control_loops/superstructure/catapult/BUILD
@@ -41,6 +41,7 @@
     deps = [
         ":catapult_plants",
         "//aos:realtime",
+        "//frc971/zeroing:pot_and_absolute_encoder",
         "//third_party/osqp-cpp",
         "//y2022:constants",
         "//y2022/control_loops/superstructure:superstructure_goal_fbs",
diff --git a/y2022/control_loops/superstructure/catapult/catapult.h b/y2022/control_loops/superstructure/catapult/catapult.h
index a4c82de..d30e8f5 100644
--- a/y2022/control_loops/superstructure/catapult/catapult.h
+++ b/y2022/control_loops/superstructure/catapult/catapult.h
@@ -5,6 +5,7 @@
 #include "glog/logging.h"
 
 #include "frc971/control_loops/state_feedback_loop.h"
+#include "frc971/zeroing/pot_and_absolute_encoder.h"
 #include "osqp++.h"
 #include "y2022/constants.h"
 #include "y2022/control_loops/superstructure/superstructure_goal_generated.h"