Make cinder-tempest-plugin-lvm-lio non-voting

There are currently issues with this test that need to be resolved.
Until that can be worked through, this switches the job to be non-voting
so we are not blocking other patches from being able to be merged.

Change-Id: I3b1270ce9d69c05351011e06542e4bf9e9f1ea35
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>
diff --git a/.zuul.yaml b/.zuul.yaml
index dd66e2c..824449b 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -2,12 +2,10 @@
     check:
       jobs:
         - cinder-tempest-plugin-lvm-lio
-    gate:
-      jobs:
-        - cinder-tempest-plugin-lvm-lio
 
 - job:
     name: cinder-tempest-plugin-lvm-lio
+    voting: false
     description: |
       Run Cinder Tempest Plugin tests
     parent: devstack-tempest