$ sudo apt-get remove gobby-0.5 

Uninstall gobby-0.5 including dependent package

If you would like to remove gobby-0.5 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove gobby-0.5 

Use Purging gobby-0.5

If you use with purge options to gobby-0.5 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge gobby-0.5 

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 gobby-0.5 

See Also,