[reno] Stop publishing release notes
[reno] Stop publishing release notes

Since we copy all release notes to the integrated repo there is not need
in publishing release notes for each repository. We should only verify their
validity and linting.


Change-Id: Ie6ec30dbd51f1344a98578c79dc1f03e99b78e15
openstack/openstack-ansible-galera_server,openstack/openstack-ansible-galera_server