how permanently uninstall any app in Linux

For example, uninstalling 'keybase' app:

apt-get remove keybase
sudo apt-get purge keybase && sudo apt-get autoclean
# Remove user data
locate keybase
rm -rf ~/.local/share/keybase ~/.config/keybase
# Untrust the apt key
apt-key list
sudo apt-key del XXXXXXXX //last 8 numbers of id
# clean system from old packages
sudo apt-get autoremove
sudo apt-get autoclean
sudo apt-get clean