Remove non-voting horizon jobs from gate queue
Remove non-voting horizon jobs from gate queue

Change  I9e22a6b9af83163b544bb5dd1530b9ad150a0ecf made these two tests
non-voting but left them in the gate. Since the jobs are still failing,
remove them from the gate queue.

Change-Id: Ic4ea68136b858ab55dc24d5f53096d105c6a6066

openstack-infra/project-config,openstack-infra/project-config,Tesora/tesora-project-config,Tesora/tesora-project-config