Build stable-3.1{2,3,4} branches of login-redirect

Change-Id: I9012e86223d5e88351346e85a78139de16cff89a

jenkins/gerrit-bazel-plugin-login-redirect.yaml

diff --git a/jenkins/gerrit-bazel-plugin-login-redirect.yaml b/jenkins/gerrit-bazel-plugin-login-redirect.yaml
index 17220eb..76f2687 100644
--- a/jenkins/gerrit-bazel-plugin-login-redirect.yaml
+++ b/jenkins/gerrit-bazel-plugin-login-redirect.yaml
@@ -4,10 +4,6 @@
       - 'plugin-{name}-bazel-{branch}':
           branch:
             - master
-      - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
-          branch:
-            - master
-          gerrit-branch:
             - stable-3.14
             - stable-3.13
             - stable-3.12