Remove --enable-ui-release-front-surface flag (on by default)
Remove --enable-ui-release-front-surface flag (on by default)

BUG=None
TEST=None

Change-Id: If969a46736c17b75f8b17d4df53fb800cd6f9679
Reviewed-on: https://gerrit.chromium.org/gerrit/41588
Reviewed-by: Jonathan Backer <05936ba925afb7ed97277e08b6ed6d37010004cd@chromium.org>
Commit-Queue: Antoine Labour <9b5adc77717fb53f6e082b29cd49aa0d7f0ce7f0@chromium.org>
Tested-by: Antoine Labour <9b5adc77717fb53f6e082b29cd49aa0d7f0ce7f0@chromium.org>

chadversary/chromiumos.platform.login_manager,chadversary/chromiumos.platform.login_manager,chadversary/chromiumos.platform.login_manager