ubuntu-snap

sudo snap remove --purge firefox
sudo snap remove --purge snap-store
sudo snap remove --purge gnome-3-38-2004

sudo snap remove --purge gtk-common-themes
sudo snap remove --purge snapd-desktop-integration
sudo snap remove --purge bare
sudo snap remove --purge core20
sudo snap remove --purge snapd

sudo apt remove --autoremove snapd

sudo apt autoremove
dpkg -l |grep ^rc | awk '{ print $2 }' | xargs sudo dpkg -P
sudo apt clean