[PRQ#44162] Deletion Request for orocos-bfl

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