GitLab

Removes the header status view on top for the onboarding dismiss prompt
per spec.

Screenshot: https://screenshot.googleplex.com/9a6EphBjLrfBRyP

BUG=1106937

Change-Id: Icc66d781f2df91e7fb74cac1cbbd573225def2bf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2522117Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Reviewed-by: Tim Song <tengs@chromium.org>
Commit-Queue: Meilin Wang <meilinw@chromium.org>
Cr-Commit-Position: refs/heads/master@{#824986}