How to uninstall or remove libknotifyconfig4 software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed libknotifyconfig4 package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove libknotifyconfig4

Uninstall libknotifyconfig4 including dependent package

If you would like to remove libknotifyconfig4 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libknotifyconfig4

Use Purging libknotifyconfig4

If you use with purge options to libknotifyconfig4 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libknotifyconfig4

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 libknotifyconfig4