common: Remove ostree-grub2

New systems are setup with a static GRUB config and thus don't need
support to generate the GRUB config dynamically.

Older systems will be migrated to a static GRUB config during their
first boot on Fedora 42.

See: https://gitlab.com/fedora/ostree/sig/-/issues/35
Fixes: fedora-silverblue/issue-tracker#120

common.yaml

@@ -45,9 +45,6 @@ packages:
   - git-core
   # Explicitely add Git docs
   - git-core-doc
-  # Required for compatibility with old bootloaders until we have bootupd
-  # See https://github.com/fedora-silverblue/issue-tracker/issues/120
-  - ostree-grub2
   # Required until we've completed the move to systemd-sysusers
   # See: https://github.com/fedora-silverblue/issue-tracker/issues/362
   - nss-altfiles

ostree-classic.yaml

@@ -1,10 +1,5 @@
 # Manifest for classic ostree varaints only and not Bootable Containers
 
-# Packages only included in the legacy ostree variants and not in Bootable
-# Containers
-packages:
-  - ostree-grub2
-
 # We do not include any version of DNF in the classic ostree Atomic Desktops
 # See: https://fedoraproject.org/wiki/Changes/DNFAndBootcInImageModeFedora
 exclude-packages: