You can uninstall or removes an installed castle-combat-data package itself from Debian 7 (Wheezy) through the terminal,
$ sudo apt-get remove castle-combat-data
If you would like to remove castle-combat-data and it's dependent packages which are no longer needed from Ubuntu,
$ sudo apt-get remove --auto-remove castle-combat-data
If you use with purge options to castle-combat-data package all the configuration and dependent packages will be removed.
$ sudo apt-get purge castle-combat-data
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 castle-combat-data