Uh, removed duplicate exception type
Uh, removed duplicate exception type

I don't understand how I could have missed this in my previous commit
where I added the new exception.

Part of #206

ettrig/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,garberg/NIPAP,plajjan/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,plajjan/NIPAP,SpriteLink/NIPAP,plajjan/NIPAP,fredsod/NIPAP,ettrig/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,fredsod/NIPAP,garberg/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,plajjan/NIPAP,garberg/NIPAP,garberg/NIPAP,garberg/NIPAP,bbaja42/NIPAP,fredsod/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,plajjan/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,SpriteLink/NIPAP,SpriteLink/NIPAP,SpriteLink/NIPAP,SoundGoof/NIPAP,SpriteLink/NIPAP,plajjan/NIPAP,SoundGoof/NIPAP,garberg/NIPAP,ettrig/NIPAP,fredsod/NIPAP