Generator: some minor simiplifaction.
Generator: some minor simiplifaction.

MichaelClerx/libcellml,cellml/libcellml,hsorby/libcellml,cellml/libcellml,cellml/libcellml,nickerso/libcellml,MichaelClerx/libcellml,hsorby/libcellml,hsorby/libcellml,cellml/libcellml,nickerso/libcellml,nickerso/libcellml,MichaelClerx/libcellml,nickerso/libcellml,hsorby/libcellml