removed commented uni/bimolecularThreshold local variables
removed commented uni/bimolecularThreshold local variables

in simulate method in base.pyx

pierrelb/RMG-Py,nyee/RMG-Py,nickvandewiele/RMG-Py,nyee/RMG-Py,chatelak/RMG-Py,chatelak/RMG-Py,pierrelb/RMG-Py,nickvandewiele/RMG-Py