GitLab

Removes code that is related to the DeviceManagementService and cloud
policy. That code will be brought back later, when we are ready to bring
up cloud policy support. For now, BrowserPolicyConnectorIOS only
supports device-local policies.

BUG=1024115

Change-Id: Ia3ace77846a500dd56258649955023baaff78777
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2063149Reviewed-by: Owen Min <zmin@chromium.org>
Commit-Queue: Rohit Rao <rohitrao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#742729}