Remove now unused publish jobs
Remove now unused publish jobs

A couple of repos now use promote jobs instead of publish jobs, remove
the now unused promote jobs.

Depends-On: https://review.opendev.org/678352
Depends-On: https://review.opendev.org/678353
Depends-On: https://review.opendev.org/678355
Change-Id: I5cc73dc0c3a25e803a555c045ad32c3197e798a9

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