GitLab

This CL removes unused code that was behind MobileIdentityConsistency
feature flag.

Bug: 980849
Change-Id: I78dd6b212ff011c9d2361874055783902d3619eb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1976701
Commit-Queue: Boris Sazonov <bsazonov@chromium.org>
Reviewed-by: David Roger <droger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#728508}