Advice needed - Upgrade PVE 8 to 9 using systemd-boot with ZFS rpool, UEFI, and no secure-boot

I planned to upgrade from PVE 8 to 9 this weekend. In preparation, I ran pve8to9 --full and received the bootloader info message: Code: INFO: Checking bootloader configuration... FAIL: systemd-boot meta-package installed. This will cause problems on upgrades of other boot-related packages. Remove 'systemd-boot' See https://pve.proxmox.com/wiki/Upgrade_from_8_to_9#sd-boot-warning for more…