drop grub-2.00~beta4-add-support-for-PowerMac-HFS-partitions.patch
The patch do longer apply cleanly and is non-trivial to update.
Upstreams comment on Bug 815318:
Actually this whole thread results from a simple misconception as to how to
install GRUB on HFS(+) in the first place. Usual way is to mount it on
/boot/grub and use grub-install *without* disk argument