[PRQ#67627] Deletion Request for ros-melodic-mav-planning-msgs

MarsSeed [1] filed a deletion request for ros-melodic-mav-planning- msgs [2]: Dead. Unbuildable. Missing dependencies. Also ROS Melodic is EOL since mid-2023. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ros-melodic-mav-planning-msgs/