Actually fail if staleness fail

PiperOrigin-RevId: 610833812

Author: mkruskal-google

.github/workflows/staleness_check.yml

@@ -56,8 +56,7 @@ jobs:
           bash: >
             set -ex;
             if [[ -z $COMMIT_TRIGGERED_RUN || -z $MAIN_RUN ]]; then
-            bazel query 'attr(tags, "staleness_test", //...)' | xargs bazel test $BAZEL_FLAGS ||
-            echo "Please run ./regenerate_stale_files.sh to regenerate stale files";
+            bazel query 'attr(tags, "staleness_test", //...)' | xargs bazel test $BAZEL_FLAGS;
             else
             bazel query 'attr(tags, "staleness_test", //...)';
             fi