[PRQ#46949] Deletion Request for gcc6-gcj-compat

MarsSeed [1] filed a deletion request for gcc6-gcj-compat [2]: This package is no longer useful. Its sole consumer is from 2018, is EOL and its sources are unavailable: java-gcj-compat (submitted for deletion as PRQ#46948). [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/gcc6-gcj-compat/