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

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

$ sudo apt-get remove backup-manager

Uninstall backup-manager including dependent package

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

$ sudo apt-get remove --auto-remove backup-manager

Use Purging backup-manager

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

$ sudo apt-get purge backup-manager

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 backup-manager