suite_schedule: Switch gizmo to run bvt-cq, drop duck

We don't have a bvt suite any more, so change gizmo config to
reflect that. Moreover, we are not interested in running tests against
duck(s) anymore, so drop that from the the scheduler.

BUG=chromium:423713
TEST=suite_schedule.py --sanity

Change-Id: I660e1317911b79e217e9f679b4dda9ac32f5a34c
Reviewed-on: https://chromium-review.googlesource.com/224034
Reviewed-by: Mungyung Ryu <mkryu@google.com>
Tested-by: Gaurav Shah <gauravsh@chromium.org>
Commit-Queue: Gaurav Shah <gauravsh@chromium.org>
1 file changed