Sacrilege! Well, its inevitable on occasion, but have fun getting acceleration to work with their drivers!
If you installed simply with the nvidia-installer you can have the great pleasure of its use again.
If you didn't extract all that out of the .run file, you can do the same, however I can't verify the command line right now, try:
I think that'll get you started. Leftovers should be scarce if at all present, I'll leave that to anyone who has actually uninstalled them!