[libc] Temporarily make the release builder a passthrough.

The release builder is getting stuck on a bad old revision. This change
makes it a passthrough bot. Once the builder gets up-to-date, we will
enable the steps back.

zorg/buildbot/builders/annotated/libc-linux.py

@@ -24,6 +24,10 @@ def main(argv):
                     help='Build in debug mode.')
     args, _ = ap.parse_known_args()
 
+    # TODO: Remove this once the release builder is up-to-date.
+    if not args.debug:
+      return
+
     source_dir = os.path.join('..', 'llvm-project')
     builder_name = os.environ.get('BUILDBOT_BUILDERNAME')
     fullbuild = is_fullbuild_builder(builder_name)