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It is unused and retrieving the login status from the session controller
is easy enough anyway.

Bug: 1042918, 1047012
Change-Id: I06afc5a4f724a45814e76b3bd7af79eab42489a6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2070815Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Commit-Queue: Manu Cornet <manucornet@chromium.org>
Cr-Commit-Position: refs/heads/master@{#744101}