GitLab

This CL removes the flag names and descriptions that were no longer
used.

Bug: none
Change-Id: I61b056b85ecdd29b1849892d16714b7538d52047
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1780823
Auto-Submit: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Mark Cogan <marq@chromium.org>
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#692419}