You can uninstall or removes an installed haddock-interface-22 package itself from Debian 8 (Jessie) through the terminal,
$ sudo apt-get remove haddock-interface-22
If you would like to remove haddock-interface-22 and it's dependent packages which are no longer needed from Ubuntu,
$ sudo apt-get remove --auto-remove haddock-interface-22
If you use with purge options to haddock-interface-22 package all the configuration and dependent packages will be removed.
$ sudo apt-get purge haddock-interface-22
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 haddock-interface-22