You can uninstall or removes an installed deluge-torrent package itself from Ubuntu 16.10 (Yakkety Yak) through the terminal,
$ sudo apt-get remove deluge-torrent
If you would like to remove deluge-torrent and it's dependent packages which are no longer needed from Ubuntu,
$ sudo apt-get remove --auto-remove deluge-torrent
If you use with purge options to deluge-torrent package all the configuration and dependent packages will be removed.
$ sudo apt-get purge deluge-torrent
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 deluge-torrent