Remove old builder names from chromium master

The builders have been renamed, so we can remove all the references to
the old names.

Bug: 867725
Change-Id: I30e93d563348d297e4916d1268adeb1c7cdae307
Reviewed-on: https://chromium-review.googlesource.com/1157344
Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Stephen Martinis <martiniss@chromium.org>
Cr-Commit-Position: refs/heads/master@{#579665}
5 files changed