[PRQ#44163] Deletion Request for orocos-orogen

MarsSeed [1] filed a deletion request for orocos-orogen [2]: Former dependency from 2015 of an orocos (robot control software) package. It no longer has any consumers. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/orocos-orogen/