GitLab

Now that it's been a week since pages in top_real_world_desktop were
refreshed, remove the old pages. Also delete expectations for replaced
pages.

Bug: 852530
Change-Id: I3a702e877a56fe94a47add8b2254774d9c93fa28
Reviewed-on: https://chromium-review.googlesource.com/1150680Reviewed-by: Ned Nguyen <nednguyen@google.com>
Commit-Queue: Amy Qiu <amyqiu@google.com>
Cr-Commit-Position: refs/heads/master@{#578314}