$ sudo apt-get remove geg 

Uninstall geg including dependent package

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

$ sudo apt-get remove --auto-remove geg 

Use Purging geg

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

$ sudo apt-get purge geg 

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 geg 

See Also,