Removed unused file

TBR=chasej@chromium.org

Bug: 937746
Change-Id: I002fc4bd42feb6e41dea6b8eefebc6f460f223f0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2514658


Reviewed-by: Mason Freed <masonfreed@chromium.org>
Commit-Queue: Mason Freed <masonfreed@chromium.org>
Cr-Commit-Position: refs/heads/master@{#823260}