This reverts commit 70d9bd814a65fb286843501ceda150f52e157b21.
Zuul 2.5 has been restarted to pick up the change to run `gerrit review
--label Verified=$VOTE` instead of `gerrit review --Verified=$VOTE` as
this second form is invalid.
Change-Id: I149bad9fa091593787d98cd89c8296a86086d6fe