How to uninstall or remove libkontactinterface4a software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed libkontactinterface4a package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove libkontactinterface4a

Uninstall libkontactinterface4a including dependent package

If you would like to remove libkontactinterface4a and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove libkontactinterface4a

Use Purging libkontactinterface4a

If you use with purge options to libkontactinterface4a package all the configuration and dependent packages will be removed.

$ sudo apt-get purge libkontactinterface4a

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 libkontactinterface4a