mkosi: Stop applying device groups patch on Arch

It stopped applying so let's stop applying it to make CI green again.

mkosi.images/build/mkosi.conf.d/arch/mkosi.build.chroot

@@ -67,10 +67,6 @@ sed --in-place "pkg/$PKG_SUBDIR/PKGBUILD" \
     --expression "s/^_tag=.*/_tag=$(cat meson.version)/" \
     --expression "s/^pkgrel=.*/pkgrel=$(date "+%Y%m%d%H%M%S" --date "@$TS")/"
 
-# Replace cdrom/dialout/tape groups with optical/uucp/storage. We apply this patch manually because we run
-# with --noprepare.
-patch -Np1 -i pkg/arch/0001-Use-Arch-Linux-device-access-groups.patch
-
 # We get around makepkg's root check by setting EUID to something else.
 # shellcheck disable=SC2046
 env --chdir="pkg/$PKG_SUBDIR" \