[Zun] Turn dsvm job to voting

This job caught issues from time to time but occationally ignored
by reviewers, so it is better to make it voting.

Change-Id: I138a9be62946d1dce001a1c34cf9d6e515fd9411

jenkins/jobs/projects.yaml

@@ -13460,7 +13460,7 @@
           driver: 'docker'
           db: 'sql'
           branch-override: default
-          suffix: '-nv'
+          suffix: ''
 
 - project:
     name: qa-specs

zuul/layout.yaml

@@ -16968,7 +16968,9 @@ projects:
       - name: publish-to-pypi
       - name: openstack-client-publish-jobs
     check:
-      - gate-zunclient-devstack-dsvm-docker-sql-nv
+      - gate-zunclient-devstack-dsvm-docker-sql
+    gate:
+      - gate-zunclient-devstack-dsvm-docker-sql
 
   - name: openstack/qa-specs
     template: