Draft: Move d/legacy/* files to grub-legacy.
Suggested by @jak What do we do with the grub-pc.postinst refering the scripts? Should we also move that to grub-legacy.postinst or keep it there?
Suggested by @jak What do we do with the grub-pc.postinst refering the scripts? Should we also move that to grub-legacy.postinst or keep it there?