Remove a dead dependency

Trying to eliminate dependencies of aos on anything outside of
aos.

Signed-off-by: Stephan Pleines <pleines.stephan@gmail.com>
Change-Id: If1b560f07be53f26c3b97dd89d94f1ae60971f7c
diff --git a/aos/util/BUILD b/aos/util/BUILD
index 2caea22..7bb4061 100644
--- a/aos/util/BUILD
+++ b/aos/util/BUILD
@@ -53,7 +53,6 @@
         "//aos:configuration",
         "//aos:init",
         "//aos/events/logging:log_reader",
-        "//frc971/control_loops:control_loops_fbs",
     ],
 )