Plastic foundation such as peirco or plastic as in duragilt? If pierco or plasticell then it shouldn't hurt the foundation.
Depending where the queen cell is, you may be able to carefully cut it off . If on the face of the frame, then not so much. If hanging off the bottom, then maybe.
If it isn't capped...then probably not. If it is capped, then you may be able to. It takes a steady hand and a liberal cut to get the whole thing without damaging it. At least when you aren't very experienced with it.