How to remove the fucking Canonical ESM messages upon Ubuntu terminal login:

inhibit esm.sh

#!/bin/bash
# see https://askubuntu.com/questions/1453749/inhibit-esm-messages-at-login
# for more reference
# worked on Ubuntu 22.x

scriptname="$(realpath $0)"


function removeesm(){
sudo sed -Ezi.orig \
  -e 's/(def _output_esm_service_status.outstream, have_esm_service, service_type.:\n)/\1    return\n/' \
  -e 's/(def _output_esm_package_alert.*?\n.*?\n.:\n)/\1    return\n/' \
  /usr/lib/update-notifier/apt_check.py
}


function editscript(){
echo "scriptname: $scriptname"
if [[ "$1" == "edit" ]]; then
 (/usr/bin/nano "$scriptname")
 exit
fi
}

editscript "$1"

clear

printf "\nThis script will remove the informaiton about Canonical's ESM (Extended-Security Maintenance) program from the login MotD.\n\n\n"

while true; do
    read -p "Do you wish to remove the ESM advetisment ? " yn
    case $yn in
        [Yy]* ) removeesm; break;;
        [Nn]* ) exit;;
        * ) echo "Please answer yes or no.";;
    esac
done

clear
printf "\n\nTesting modification now:\n\n"
/usr/lib/update-notifier/apt_check.py --human-readable

while true; do
    read -p "\nThe cashed MotD will be regenerated upon the next reboot or it can be done now.  Do you wish to regenerate the MotD now ? " yn
    case $yn in
        [Yy]* ) sudo /usr/lib/update-notifier/update-motd-updates-available --force; break;;
        [Nn]* ) exit;;
        * ) echo "Please answer yes or no.";;
    esac
done