$ sudo apt-get remove gcontactsync

Uninstall gcontactsync including dependent package

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

$ sudo apt-get remove --auto-remove gcontactsync

Use Purging gcontactsync

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

$ sudo apt-get purge gcontactsync

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 gcontactsync

See Also,