Removing Superuser from Pandigital Supernova DLX


I was able to root my Pandigital Supernova DLX with GingerBreak v1.2 and I quickly became disappointed with the root and it's "Vending" market. It wasn't really that much better than the stock OS and third-party "Getjar" marketplace. I have already wiped it completely and am in the process of sending it back to QVC for a full refund. But, the superuser icon is my hindrance of doing so.

So, I was wondering if there was a way to remove the Superuser icon from the app list so that I may return it and get a refund without any issues?

I have already:

+Formatted both the internal memory and SD card
+System reboot
+Wipe cache and data/partition from system recovery mode

It all seems pretty basic and back to factory, save for that Superuser icon that I can't seem to get rid of. I have a very small window of a time frame to return this device, so I would appreciate any sort of response on how to resolve this situation.