Remove legacy tempest-tox-plugin-sanity-check jobs
* adds inrepo zuulv3 job
configuration for tempest plugin sanity check
Needed-By:
- ^setup.cfg$
- ^tempest/hacking/.*$
- ^tempest/tests/.*$
- - legacy-tempest-tox-plugin-sanity-check:
- voting: false
- openstack-tox-cover:
voting: false
- legacy-tempest-dsvm-neutron-full:
