Revert "scen007 is failing in the gate"

Fixed by https://review.rdoproject.org/r/#/c/14155/

This reverts commit 441303792a.

Change-Id: I62c8f2b30a9481284a587919778e504bfc54f48f

zuul.d/layout.yaml

@@ -75,7 +75,6 @@
               - ci/pingtests/scenario006-multinode.yaml
               - ^deployed-server/.*$
         - tripleo-ci-centos-7-scenario007-multinode-oooq-container:
-            voting: false
             files:
               - ci/environments/scenario007-multinode-containers.yaml
               - ^(docker|puppet)/services/neutron-plugin-ml2.yaml #LP1765975
@@ -146,6 +145,14 @@
               - ^environments\/.*.yaml
               - ^deployed-server/.*$
               - ^network/endpoints/.*$
+        - tripleo-ci-centos-7-scenario007-multinode-oooq-container:
+            files:
+              - ci/environments/scenario007-multinode-containers.yaml
+              - ^(docker|puppet)/services/.*.*ovn.*$
+              - ^(docker|puppet)/services/.*congress.*$
+              - ^(docker|puppet)/services/.*tacker.*$
+              - ^environments\/.*.yaml
+              - ^deployed-server/.*$
         - tripleo-ci-centos-7-scenario000-multinode-oooq-container-updates:
             files:
               - ci/environments/scenario000-multinode-containers.yaml