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