$ sudo apt-get remove glib-networking 

Uninstall glib-networking including dependent package

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

$ sudo apt-get remove --auto-remove glib-networking 

Use Purging glib-networking

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

$ sudo apt-get purge glib-networking 

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 glib-networking 

See Also,