fix(metrics): Remove unanalyzed file extensions from CC exclude_paths
fix(metrics): Remove unanalyzed file extensions from CC exclude_paths

`*` at the beginning of a value produces invalid YAML. Normally the fix would
be to wrap these values in quotes, but in this case I think it makes more sense
to remove the lines as these file extensions aren't analyzed by any enabled
engine.

therebelrobot/brigadehub,sfbrigade/brigadehub,therebelrobot/brigadehub,sfbrigade/brigadehub