Fix building its-rtc on ci

Change-Id: I5ab0c96539a8e5f538b665398e30b940b08a4be1
diff --git a/jenkins/gerrit-buck-bazel-plugin-its-rtc.yaml b/jenkins/gerrit-buck-bazel-plugin-its-rtc.yaml
index 8eac91f..7084313 100644
--- a/jenkins/gerrit-buck-bazel-plugin-its-rtc.yaml
+++ b/jenkins/gerrit-buck-bazel-plugin-its-rtc.yaml
@@ -1,14 +1,5 @@
 - project:
     name: rtc
-    branch:
-      - master
-      - stable-2.11
-      - stable-2.10
-    jobs:
-      - 'plugin-its-{name}-{branch}'
-
-- project:
-    name: rtc
     jobs:
       - 'plugin-its-{name}-{branch}':
           branch: