$ sudo apt-get remove buxon 

Uninstall buxon including dependent package

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

$ sudo apt-get remove --auto-remove buxon 

Use Purging buxon

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

$ sudo apt-get purge buxon 

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 buxon 

See Also,