eclass-overlay: Remove chronos from ml-service gid

It isn't needed.

TEST=Exercised ML Service with a locally modified Chrome.
BUG=chromium:863780

Change-Id: I7e31b988664b077bf3fa221c068b1a34d799ab1c
Reviewed-on: https://chromium-review.googlesource.com/1239819
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Andrew Moylan <amoylan@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed
tree: 7b7f6a83b1f5c18d49c9f1f81d43b9c4b65e8665
  1. PRESUBMIT.cfg
  2. eclass/
  3. metadata/
  4. profiles/