Remove unused files

BUG=None

Change-Id: I28f99049d7eab3ef49eb7205b69928ec4e7174df
Reviewed-on: https://chromium-review.googlesource.com/414884
Reviewed-by: John Budorick <jbudorick@chromium.org>
Tested-by: John Budorick <jbudorick@chromium.org>