Unused references to rgen in RFWUGens

[jamshark70]

sc3-plugins/source/RFWUGens/RFWUGens.cpp

Line 60 in 086a5e2

RGen& rgen = *unit->mParent->mRGen;

sc3-plugins/source/RFWUGens/RFWUGens.cpp

Line 165 in 086a5e2

RGen& rgen = *unit->mParent->mRGen;

	RGen& rgen = *unit->mParent->mRGen;

Neither UGen here uses random numbers at all, so these are unused and could be deleted.