MarsSeed [1] filed a deletion request for arm-frc-linux-gnueabi-gdb [2]: Orphan gdb package from 2018 for some robotics system. Not needed anymore, as per last comment. Safe to delete.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/arm-frc-linux-gnueabi-gdb/
