[PRQ#44165] Deletion Request for orocos-utilrb

MarsSeed [1] filed a deletion request for orocos-utilrb [2]: Orphan pkg from 2015, source 404, just like its consumers' sources. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/orocos-utilrb/