Remove gubernator from prow_setup since it's not needed
repository). Run `make config` to regenerate
[config.yaml](./prow/config.yaml), otherwise the presubmit test will fail.
- 1. Updates the Gubernator config with the new log dirs.
-
1. Updates the Testgrid config with the new buckets, tabs and dashboard.
1. Ask one of the owners of _knative/test-infra_ to:
1. Run `make update-config` in `ci/prow`.
- 1. Run `make deploy` in `ci/gubernator`.
-
1. Run `make update-config` in `ci/testgrid`.
1. Wait a few minutes, enter `/retest` as a comment in any PR in the repo and
