GitLab

This reverts commit 2fd01309.

Reason for revert: Disabling App Management before branch point.

Original change's description:
> [App Management] Enable App Management by default.
> 
> Enable App Management by default. Current entry points are about:settings
> and about:app-management.
> 
> Bug: 906508
> Change-Id: I0118a4b51eda6e65bc72186e771fc2ede2acb45f
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1610658
> Reviewed-by: Dominick Ng <dominickn@chromium.org>
> Commit-Queue: Jeevan Shikaram <jshikaram@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#659341}

TBR=dominickn@chromium.org,jshikaram@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 906508
Change-Id: I302364e6573eaf21b7a0a3a93ecf517fc473740a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1636652
Commit-Queue: Jeevan Shikaram <jshikaram@chromium.org>
Commit-Queue: Dominick Ng <dominickn@chromium.org>
Auto-Submit: Jeevan Shikaram <jshikaram@chromium.org>
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Cr-Commit-Position: refs/heads/master@{#664595}