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