GitLab

These flags were removed in crrev.com/824947 but the win
thinlto flag was accidentally left behind.

Bug: 1127713
Change-Id: Ie7698e4a5819eb2dcd97effcf3715f208f75801f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2637577
Commit-Queue: Hans Wennborg <hans@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Auto-Submit: Hans Wennborg <hans@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#844795}