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This was added in r524073 because code search didn't linkify bare crbug
links.  But now it does (see crbug.com/762061), so we don't need the
extra verbosity.

Change-Id: Ia0b2fd66b4717cb9dd87b6e49373918cec729c51
Reviewed-on: https://chromium-review.googlesource.com/1213512
Commit-Queue: Steve Kobes <skobes@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#589623}