How to uninstall or remove addressmanager.app software package from Ubuntu 16.04 LTS (Xenial Xerus)

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

$ sudo apt-get remove addressmanager.app

Uninstall addressmanager.app including dependent package

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

$ sudo apt-get remove --auto-remove addressmanager.app

Use Purging addressmanager.app

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

$ sudo apt-get purge addressmanager.app

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 addressmanager.app