GitLab

The variable is now configured from BUILD.gn so should not be
overridden when adding configuration/platforms to the Xcode
project.

Bug: 1094890
Change-Id: I06cef502ebcc3f19b68b91c54e2588b38f411524
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2270068
Auto-Submit: Sylvain Defresne <sdefresne@chromium.org>
Commit-Queue: Mike Dougherty <michaeldo@chromium.org>
Reviewed-by: Mike Dougherty <michaeldo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#782982}