[PRQ#52472] Deletion Request for trilinos-xyce-serial

MartinDiehl [1] filed a deletion request for trilinos-xyce-serial [2]: this package does not provide the trilinos functionality and was not updated in a while. Hence, request to delete. [1] https://aur.archlinux.org/account/MartinDiehl/ [2] https://aur.archlinux.org/pkgbase/trilinos-xyce-serial/