Revert "Make neutron-tempest-plugin-designate-scenario non-voting temporary"

This reverts commit 5c5dc014bf5fb31c2c7dbbf716d917630e55e48f.

Reason for revert: patch [1], that fixes the problem reported in
LP#2072627, is merged.

[1]https://review.opendev.org/c/openstack/releases/+/924235

Related-Bug: #2072627
Change-Id: Ieb6bb7c088cb30da55560603d0bda48ccdd30060
1 file changed