Revert 2 commits brc#1817004 for ppc64le Silverblue to boot
    
    Revert "Regenerate grub.cfg for ppc64le Silverblue to boot (step 2)"
    This reverts commit d384cfed307567ef0353a01dabdf5e45ff4cf900.
    
    Revert "Regenerate grub.cfg for ppc64le Silverblue to boot, brc#1817004"
    This reverts commit 8d7be9a227705820088fdea1958e662042738412.
    
    Not required anymore for f33 (only for f32)
    And  bad side effect for f33 (failure not analysed)
    
    eg: https://openqa.stg.fedoraproject.org/tests/949783#step/_do_install_and_reboot/32
    
    Keep correction to avoid warning in autoinst-log when ABRT var not defined.
    
    Signed-off-by: Guy Menanteau <menantea@linux.vnet.ibm.com>
    Signed-off-by: Michel Normand <normand@linux.vnet.ibm.com>