Debian/Ubuntu users can use:
Release
sudo apt remove brave-browser
sudo apt purge brave-browser
rm -rf ~/.config/BraveSoftware/Brave-Browser/Beta
sudo apt remove brave-browser-beta
sudo apt purge brave-browser-beta
rm -rf ~/.config/BraveSoftware/Brave-Browser-Beta/Dev
sudo apt remove brave-browser-dev
sudo apt purge brave-browser-dev
rm -rf ~/.config/BraveSoftware/Brave-Browser-Dev/
OpenSuse may be:
sudo zypper remove brave
rm -rf ~/.config/brave