Build metrics-reporter-cloudwatch stable-3.2 branch

Change-Id: I1e726455a02e0ecf1adf05e385dcb424ace909aa
diff --git a/jenkins/gerrit-bazel-plugin-metrics-reporter-cloudwatch.yaml b/jenkins/gerrit-bazel-plugin-metrics-reporter-cloudwatch.yaml
index ed8e457..7bdfbe4 100644
--- a/jenkins/gerrit-bazel-plugin-metrics-reporter-cloudwatch.yaml
+++ b/jenkins/gerrit-bazel-plugin-metrics-reporter-cloudwatch.yaml
@@ -1,9 +1,7 @@
 - project:
     name: metrics-reporter-cloudwatch
     jobs:
-      - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
+      - 'plugin-{name}-bazel-{branch}':
           branch:
             - master
-          gerrit-branch:
-            - master
             - stable-3.2