$ sudo apt-get remove inn2-inews 

Uninstall inn2-inews including dependent package

If you would like to remove inn2-inews and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove inn2-inews 

Use Purging inn2-inews

If you use with purge options to inn2-inews package all the configuration and dependent packages will be removed.

$ sudo apt-get purge inn2-inews 

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 inn2-inews 

See Also,