I have a Full Force MTB (No, I have never heard of that brand either.) That has a decal on it saying it was "designed by Specialized". It has those same funny dropouts.

I chopped mine out with a hacksaw and then filed them smooth.

I have not actually built up the frame beyond that initial step, so I can't vouch for the operation just yet. But I saw no reason not to. The remaining part of the dropout had as much metal as any normal dropout though.

Let me know if you try it and it fails and you die in a ball of fire.