$ sudo apt-get remove heimdal-kcm 

Uninstall heimdal-kcm including dependent package

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

$ sudo apt-get remove --auto-remove heimdal-kcm 

Use Purging heimdal-kcm

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

$ sudo apt-get purge heimdal-kcm 

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 heimdal-kcm 

See Also,