macOS: unregister CTK driver on uninstallation
macOS: unregister CTK driver on uninstallation

fixes https://github.com/frankmorgner/OpenSCToken/issues/24

mouse07410/OpenSC,LudovicRousseau/OpenSC,AktivCo/OpenSC,philipWendland/OpenSC,rickyepoderi/OpenSC,dengert/OpenSC,frankmorgner/OpenSC,rickyepoderi/OpenSC,hongquan/OpenSC-main,fabled/OpenSC,frankmorgner/OpenSC,OpenSC/OpenSC,frankmorgner/OpenSC,Jakuje/OpenSC,Jakuje/OpenSC,hongquan/OpenSC-main,dengert/OpenSC,AktivCo/OpenSC,LudovicRousseau/OpenSC,frankmorgner/OpenSC,metsma/OpenSC,OpenSC/OpenSC,metsma/OpenSC,Jakuje/OpenSC,LudovicRousseau/OpenSC,philipWendland/OpenSC,AktivCo/OpenSC,fabled/OpenSC,Jakuje/OpenSC,fabled/OpenSC,fabled/OpenSC,hongquan/OpenSC-main,dengert/OpenSC,mouse07410/OpenSC,OpenSC/OpenSC,rickyepoderi/OpenSC,mouse07410/OpenSC,philipWendland/OpenSC,metsma/OpenSC