GitLab

The flag was set iff is_desktop_linux, so remove it to reduce
some complexity.

R=sky
BUG=None

Change-Id: I4948debfa1eafa33532689c7d3f847a1b0cb9a21
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2092875
Auto-Submit: Thomas Anderson <thomasanderson@chromium.org>
Commit-Queue: Scott Violet <sky@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748325}