GitLab

Specifically deleting:
 - paper-amber
 - paper-blue
 - paper-brown
 - paper-cyan
 - paper-deep-orange
 - paper-deep-purple
 - paper-green
 - paper-indigo
 - paper-light-green
 - paper-lime
 - paper-pink
 - paper-purple
 - paper-teal

Bug: 1062154
Change-Id: I5cdcfe018781add74a508588be1d996fc30c9528
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2371744
Commit-Queue: John Lee <johntlee@chromium.org>
Auto-Submit: dpapad <dpapad@chromium.org>
Reviewed-by: John Lee <johntlee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#801045}