macOS: remove leftover files on uninstall
macOS: remove leftover files on uninstall

Fixes #1898
mouse07410/OpenSC,philipWendland/OpenSC,fabled/OpenSC,OpenSC/OpenSC,Jakuje/OpenSC,metsma/OpenSC,Jakuje/OpenSC,dengert/OpenSC,LudovicRousseau/OpenSC,hongquan/OpenSC-main,mouse07410/OpenSC,philipWendland/OpenSC,frankmorgner/OpenSC,frankmorgner/OpenSC,dengert/OpenSC,hongquan/OpenSC-main,OpenSC/OpenSC,mouse07410/OpenSC,fabled/OpenSC,dengert/OpenSC,rickyepoderi/OpenSC,fabled/OpenSC,metsma/OpenSC,fabled/OpenSC,rickyepoderi/OpenSC,metsma/OpenSC,Jakuje/OpenSC,rickyepoderi/OpenSC,frankmorgner/OpenSC,OpenSC/OpenSC,LudovicRousseau/OpenSC,hongquan/OpenSC-main,LudovicRousseau/OpenSC,Jakuje/OpenSC,AktivCo/OpenSC,philipWendland/OpenSC,AktivCo/OpenSC,AktivCo/OpenSC,frankmorgner/OpenSC