$ sudo apt-get remove kgb-bot 

Uninstall kgb-bot including dependent package

If you would like to remove kgb-bot and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove kgb-bot 

Use Purging kgb-bot

If you use with purge options to kgb-bot package all the configuration and dependent packages will be removed.

$ sudo apt-get purge kgb-bot 

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove kgb-bot 

See Also,