eafd338d09
They're not handled in the inherited do_set_property()/do_get_property(), so
won't work as properties, and there seems to be no need for them to be
properties at all.
This fixes the following assertion when importing buddy:
Warning: g_object_class_install_property: assertion `pspec->flags & G_PARAM_WRITABLE' failed
type_register(cls, namespace.get('__gtype_name__'))