$ sudo apt-get remove cell-sdk 

Uninstall cell-sdk including dependent package

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

$ sudo apt-get remove --auto-remove cell-sdk 

Use Purging cell-sdk

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

$ sudo apt-get purge cell-sdk 

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 cell-sdk 

See Also,