GitLab

Delete unused resources from the policy folder

cloud.png and success.png under chrome/browser/policy is not used by any
source code.

Change-Id: I13e8a5f56b927de7fb455408e088afb162050cab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2356671Reviewed-by: Maksim Ivanov <emaxx@chromium.org>
Commit-Queue: Owen Min <zmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798818}