Fix build jobs for uploadvalidator plugin

The uploadvalidator plugin versions
- stable-3.4
- stable-3.5
can't be built against master anymore. Hence build them against the
matching version of gerrit core.

Change-Id: If27233889372190965a3ab2cde1fd9b12c8b3a7e
diff --git a/jenkins/gerrit-bazel-plugin-uploadvalidator.yaml b/jenkins/gerrit-bazel-plugin-uploadvalidator.yaml
index 13b41ef..5f4e07f 100644
--- a/jenkins/gerrit-bazel-plugin-uploadvalidator.yaml
+++ b/jenkins/gerrit-bazel-plugin-uploadvalidator.yaml
@@ -1,13 +1,9 @@
 - project:
     name: uploadvalidator
     jobs:
-      - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
-          branch:
-            - master
-          gerrit-branch:
-            - stable-3.5
-            - stable-3.4
       - 'plugin-{name}-bazel-{branch}':
           branch:
             - master
+            - stable-3.5
+            - stable-3.4
             - stable-3.3