Run it without and see what happens. The worst is that you'll get minging vibrations through the car. The best is you'll not get anything.
Bear in mind that when producing these cars VW took a lot of care to ensure they operated well in virtually all conditions. You may never encounter the conditions that would have made the driveshaft vibrate, but at some point in the development of the car the engineers decided they needed a damper on that driveshaft, to stop it vibrating under certain conditions, so that's what it got. I removed a large block of clearly OE-spec steel from the subframe of a Passat a couple of weeks ago - I suspect that was to stop vibrations, too.