[Mapper] Remove work for an old generic bug
[Mapper] Remove work for an old generic bug

Tragetaschen/dbus-sharp,arfbtwn/dbus-sharp,openmedicus/dbus-sharp,arfbtwn/dbus-sharp,openmedicus/dbus-sharp,mono/dbus-sharp,Tragetaschen/dbus-sharp,mono/dbus-sharp