GitLab

Since all Password views now have their own controller, let's get rid
of the ManagePasswordsBubbleModel.

Bug: 1044034
Change-Id: Id90d288d2bea3439dc251651185054242630b528
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2030767
Commit-Queue: Mohamed Amir Yosef <mamir@chromium.org>
Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737315}