GitLab

It's no longer used, so get rid of it.

Change-Id: I2e9b98b3719a71645f8148dcc1acaae804559be4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2623155
Commit-Queue: Ted Meyer <tmathmeyer@chromium.org>
Reviewed-by: Frank Liberato <liberato@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843295}