[PRQ#66212] Deletion Request for ros-melodic-rosserial-client

MarsSeed [1] filed a deletion request for ros-melodic-rosserial-client [2]: Dead, EOL package from 2021, missing already deleted transitive dependencies. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ros-melodic-rosserial-client/