Remove fetch-zuul-cloner from base-test job
Remove fetch-zuul-cloner from base-test job

This has been moved into legacy-base, as it represents zuulv2
functionality.  By moving it into legacy-base, we discourage native
zuulv3 jobs from using it, as it is not needed.

Once confirmed to be working, we'll promote the removal to base.

Change-Id: If32a373cdb8a4899ccaa00d3c7df32fe76574f80
Depends-On: Ia09a4acc9c09535bf287208c77257bd3dca7a2bf
Signed-off-by: Paul Belanger <e7139c8e6c4ea75cc1c287ce081b2dc0f3ab39ec@redhat.com>

openstack-infra/project-config,openstack-infra/project-config