The screenshot on that page shows QlikView opened in the QlikView app. There's no way to hack that, since it's proprietary. If you're opening in Safari, however, Google instructions for hiding the Safari title bar, there's a lot available on that online. Haven't tried this myself, but the file you'll likely need to modify is C:\Program Files\QlikView\Server\QlikViewClients\QlikViewAjax\opendoc.htm