How to uninstall or remove grub-ieee1275 software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed grub-ieee1275 package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove grub-ieee1275

Uninstall grub-ieee1275 including dependent package

If you would like to remove grub-ieee1275 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove grub-ieee1275

Use Purging grub-ieee1275

If you use with purge options to grub-ieee1275 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge grub-ieee1275

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 grub-ieee1275