[owners] Remove andrewbregger@google.com from chrome/browser/ui/webui/metrics_internals/OWNERS

This suggested change is automatically generated based on group
memberships and affiliations.

Please approve this change and vote the highest CR. This will keep the
OWNERS file tidy. We ask that you do not ignore this change and approve
it unless you know a reason the OWNER should remain. It can always be
reverted if needed.

If this change is in error, vote the lowest CR value (i.e. reject the
CL) and the bot will abandon it.

See the owner's recent review activity for context:
https://chromium-review.googlesource.com/q/andrewbregger@google.com

To report an issue, file a bug in the Infra>Codereview component.

Change-Id: I9af3db6e1d9c3ad8ff2ab5c4e20e568844f15671
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6556627
Reviewed-by: Roger McFarlane <rogerm@chromium.org>
Commit-Queue: Roger McFarlane <rogerm@chromium.org>
Auto-Submit: Owners Cleanup <swarming-tasks@owners-cleanup-prod.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1464887}