GitLab

The histogram expired long ago so let's clean up the code.

Fixed: 975436
Change-Id: Idff2ed49e4b4f1e11badd781ab88c3866a009916
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2440665
Auto-Submit: Mikel Astiz <mastiz@chromium.org>
Reviewed-by: Peter Kotwicz <pkotwicz@chromium.org>
Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Commit-Queue: Robert Kaplow <rkaplow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#813234}