GitLab

- Removes Flash plugin metadata, to help plugin tests pass.

Bug: chromium:977738
Change-Id: I6e131c9afe92793c3f449d7702088ab8198bdbe5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2523556Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Bill Budge <bbudge@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825563}