Move aos/controls to frc971/control_loops

Also put what was aos/controls/control_loops.fbs in y2012/control_loops
because that's the only user.

Change-Id: I8f402b0708103077e135a41e55ef5e4f23681d87
Signed-off-by: James Kuszmaul <jabukuszmaul@gmail.com>
diff --git a/y2017/control_loops/superstructure/shooter/BUILD b/y2017/control_loops/superstructure/shooter/BUILD
index 49fa341..cb351c9 100644
--- a/y2017/control_loops/superstructure/shooter/BUILD
+++ b/y2017/control_loops/superstructure/shooter/BUILD
@@ -45,7 +45,7 @@
     visibility = ["//visibility:public"],
     deps = [
         ":shooter_plants",
-        "//aos/controls:control_loop",
+        "//frc971/control_loops:control_loop",
         "//frc971/control_loops:control_loops_fbs",
         "//frc971/control_loops:profiled_subsystem_fbs",
         "//y2017/control_loops/superstructure:superstructure_goal_fbs",