Issue title: Removed builds still shown until page refresh
 Issue body: If you have multiple info radiators in your office, you need to log into each one to hit refresh on the browser before deleted projects no longer appear.

 Comments: 
 Comment 0: Created story https://www.pivotaltracker.com/story/show/41636083

{'source': 'GithubIssues', 'repo_name_with_owner': 'vmware-archive/projectmonitor', 'issue_id': 6934161, 'repo_stars': 428.0}