Smart Lock: Remove unused EasyUnlockReauth.

R=hansberry@chromium.org

Bug: 899324
Test: none
Change-Id: I4d1f6b4f7eec6ec938360dd955ce37b9df4a5914
Reviewed-on: https://chromium-review.googlesource.com/c/1325031
Reviewed-by: Ryan Hansberry <hansberry@chromium.org>
Commit-Queue: James Hawkins <jhawkins@chromium.org>
Cr-Commit-Position: refs/heads/master@{#606258}
4 files changed