Remove base::Feature for RLS.

Bug: 823365
Change-Id: Ib9d707af46d45b4cd5c0eabacd91102f84ef000f
Reviewed-on: https://chromium-review.googlesource.com/1058035
Reviewed-by: Chris Harrelson <chrishtr@chromium.org>
Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Steve Kobes <skobes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#558444}
6 files changed