GitLab

It's ignored by the Mac codesigning apparatus nowadays, anyway,
so this simplifies things.

Bug: 913074
Change-Id: I1aff929788171821a835bd5a4eed5514fe2df1be
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1876764Reviewed-by: Robert Sesek <rsesek@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708794}