This goes over how to Disable Snaps and making sure it doesn’t automatically reinstall.

List and Uninstall Snaps

snap list # This shows you what snaps are installed
sudo snap remove program # Fill in all snaps listed above

Purge Snaps and Block Reinstall

sudo apt purge snapd
sudo apt-mark hold snapd

Verify Uninstall

apt list --install | grep snap

Check your Output for any snap packages