Beanstalk URL is no longer valid - remove from test

Author: MarkEWaite

src/test/java/org/jenkinsci/plugins/gitclient/GitClientSecurityTest.java

@@ -225,7 +225,6 @@ public void setGitClient() throws Exception {
         "https://github.com/jenkinsci/archetypes.git",
         "https://git.assembla.com/git-plugin.3.git",
         "https://[email protected]/markewaite/jenkins-pipeline-utils.git",
-        "https://jenkins-git-plugin.git.beanstalkapp.com/git-client-plugin.git",
         "https://gitlab.com/MarkEWaite/git-client-plugin.git",
         "origin"
     };