$ sudo apt-get remove darkice 

Uninstall darkice including dependent package

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

$ sudo apt-get remove --auto-remove darkice 

Use Purging darkice

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

$ sudo apt-get purge darkice 

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 darkice 

See Also,