echo 'grub-efi-arm64 grub2/update_nvram boolean false' | chroot /target debconf-set-selections
 echo 'grub-efi-arm64 grub2/force_efi_extra_removable boolean false' | chroot /target debconf-set-selections
 chroot /target apt-get remove grub-efi-arm64-signed
 echo 'grub-efi-arm64 grub2/update_nvram boolean false' | chroot /target debconf-set-selections
 echo 'grub-efi-arm64 grub2/force_efi_extra_removable boolean false' | chroot /target debconf-set-selections
 chroot /target apt-get remove grub-efi-arm64-signed