Don't vote with gate-tripleo-deploy yet.

There's no point, as it's not known to work. Once experimental
usefully does something everytime, we'll make it a check that doesn't
vote, then once it's got low false negatives, we'll make it a voting
check, then a gate.

Change-Id: Ie61335e970358c113a2a0e0b547f5510b2d65b5b

modules/openstack_project/files/zuul/layout.yaml

@@ -230,6 +230,8 @@ jobs:
   - name: gate-tempest-dsvm-neutron-heat-slow
     branch: ^(?!stable/grizzly).*$
     voting: false
+  - name: gate-tripleo-deploy
+    voting: false
   - name: ^(gate|check)-devstack-dsvm-cells$
     voting: false
   - name: ^(gate|check)-gantt-python2(6|7)$