[PRQ#48691] Deletion Request for sip418

MarsSeed [1] filed a deletion request for sip418 [2]: Cleanup of unneeded legacy modules. pyqt3 is pending deletion, as it is broken, and has no functional consumers (PRQ#45890). [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/sip418/