[PRQ#51471] Deletion Request for ruby-simple-navigation

MarsSeed [1] filed a deletion request for ruby-simple-navigation [2]: Unused Ruby module from 2018; safe to delete. Last consumer was ruby-sinatra-simple-navigation (PRQ#51469), which was last released in 2017 and is now defunct. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ruby-simple-navigation/