Follow devstack-plugin-ceph job rename

The devstack-plugin-ceph jobs have moved in-repo and renamed, follow
rename.

Remove post job  publish-openstack-python-branch-tarball,
it's part of python-jobs template.

Depends-On: https://review.openstack.org/543048
Change-Id: I4bcd77d4b1d09d026ac3459312e8454878201658
1 file changed