Fix verified votes in pipeline config

There was an extra "gerrit" key in the pipeline config for leaving
"Verified" votes; this caused an error when Zuul tried to leave
the vote.

Change-Id: I66cc07e1e142a8f2d27982c3e30035d67b5232c7
diff --git a/zuul.d/pipelines.yaml b/zuul.d/pipelines.yaml
index a1ad19d..f02d856 100644
--- a/zuul.d/pipelines.yaml
+++ b/zuul.d/pipelines.yaml
@@ -34,8 +34,7 @@
       sql:
       gerrit:
         comment: False
-        gerrit:
-          Verified: 1
+        Verified: 1
         checks-api:
           scheme: 'zuul-check'
           state: SUCCESSFUL
@@ -44,8 +43,7 @@
       sql:
       gerrit:
         comment: False
-        gerrit:
-          Verified: -1
+        Verified: -1
         checks-api:
           scheme: 'zuul-check'
           state: FAILED