How to uninstall or remove deja-dup-backend-s3 software package from Ubuntu 16.10 (Yakkety Yak)

You can uninstall or removes an installed deja-dup-backend-s3 package itself from Ubuntu 16.10 (Yakkety Yak) through the terminal,

$ sudo apt-get remove deja-dup-backend-s3

Uninstall deja-dup-backend-s3 including dependent package

If you would like to remove deja-dup-backend-s3 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove deja-dup-backend-s3

Use Purging deja-dup-backend-s3

If you use with purge options to deja-dup-backend-s3 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge deja-dup-backend-s3

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 deja-dup-backend-s3