How to uninstall or remove granite-demo software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed granite-demo package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove granite-demo

Uninstall granite-demo including dependent package

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

$ sudo apt-get remove --auto-remove granite-demo

Use Purging granite-demo

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

$ sudo apt-get purge granite-demo

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 granite-demo