configs/*/grub/grub.cfg: replace /dev/disk/by-uuid/ with UUID=

Use the shorter and more nicer looking UUID= tags instead of the /dev/disk/by-uuid/ paths.

This requires mkinitcpio-archiso v68.

Related to #202 (closed)

changed milestone to %v70

requested review from @dvzrv

assigned to @nl6720

changed the description

added 12 commits

• 33751b17...1da743cc - 11 commits from branch archlinux:master
• cedb3d14 - configs/*/grub/grub.cfg: replace /dev/disk/by-uuid/ with UUID=

Compare with previous version

merged