Remove run_tests

This has been deprecated forever, and does nothing. It should probably
be removed.

BUG=None
TEST=None

Change-Id: I0f5e6c14b5bae7e2dc18b1b3a1b7c57d31458d8c
Reviewed-on: https://chromium-review.googlesource.com/1512955
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: George Burgess <gbiv@chromium.org>
Reviewed-by: Caroline Tice <cmtice@chromium.org>
1 file changed