[PRQ#72339] Deletion Request for omniorbpy37

MarsSeed [1] filed a deletion request for omniorbpy37 [2]: Unused EOL legacy Python2 library, released in 2013. Not a compatible drop-in replacement for the current, Python3 based omniorbpy. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/omniorbpy37/