Revert "set check-osc-job to voting"
Revert "set check-osc-job to voting"

This had the unintended consequence of merging the
following projects all into one gate queue:
* osc
* a bunch of python-$fooclients
* designate (bc python-designateclient)
* tripleo (bc python-tripleoclient)
* puppet-* (bc tripleo)

This really isn't what we want, and the approach of
an adhoc collision detection of commands, vs. some
upfront registry should be investigated.

This reverts commit 401d89d5c2016361620f4aa669d058f238ad727d.

Change-Id: I39bcf0005d4df63cb640bf3b36a65c0d6d38fba3

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