$ sudo apt-get remove cl-clg 

Uninstall cl-clg including dependent package

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

$ sudo apt-get remove --auto-remove cl-clg 

Use Purging cl-clg

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

$ sudo apt-get purge cl-clg 

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 cl-clg 

See Also,