Disable snap in Ubuntu 20.04

snap list

sudo snap remove <package> # repeat for all snaps in snap list, except core

sudo systemctl stop snapd

sudo umount /snap/core/xxxx # find actual ID by running df -h

sudo apt purge snapd

rm -rf ~/snap
sudo rm -rf /snap
sudo rm -rf /var/snap
sudo rm -rf /var/lib/snapd

sudo apt-mark hold snapd