Remove cron.yaml from automatic deployment
Remove cron.yaml from automatic deployment

It turns out the cloudbuild service account isn't authorised to change
the cron.yaml file. Let's remove it for now until we can figure out a
way of automating it.

R=abennetts@google.com, ade7e59805b81f027d537665b2c12c1956198b97@chromium.org

Bug: chromium:1040775
Change-Id: Ifbc26e3fc85dda9ae5901362c004b6c363b0d93e
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/2004309
Auto-Submit: Dean Berris <34a37f59e4ade3cf49221306f04217acf3e86255@chromium.org>
Commit-Queue: Chenlin Fan <ade7e59805b81f027d537665b2c12c1956198b97@chromium.org>
Reviewed-by: Chenlin Fan <ade7e59805b81f027d537665b2c12c1956198b97@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult