doc: remove gobject-introspection comment, as it's not working correctly for now.
doc: remove gobject-introspection comment, as it's not working correctly for now.

lu-zero/aravis,AnilRamachandran/aravis,AnilRamachandran/aravis,lu-zero/aravis,AravisProject/aravis,AnilRamachandran/aravis,AnilRamachandran/aravis,AravisProject/aravis,AravisProject/aravis,lu-zero/aravis,lu-zero/aravis,lu-zero/aravis,AravisProject/aravis,AnilRamachandran/aravis,AravisProject/aravis