$ sudo apt-get remove fonty-rg 

Uninstall fonty-rg including dependent package

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

$ sudo apt-get remove --auto-remove fonty-rg 

Use Purging fonty-rg

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

$ sudo apt-get purge fonty-rg 

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 fonty-rg 

See Also,