GitLab

Remove Demo Mode feature flags that have been default-enabled on Stable
for 2+ milestones.

Bug: None
Change-Id: Ic3dd93fd3e1dfb44ba51139e3a90baf707f9e818
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1699308
Commit-Queue: Michael Giuffrida <michaelpg@chromium.org>
Reviewed-by: Aga Wronska <agawronska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#678455}