Removed useless DunnoDBInterface.
Removed useless DunnoDBInterface.

kblin/supybot-gsoc,jeffmahoney/supybot,frumiousbandersnatch/supybot-code,haxwithaxe/supybot,ProgVal/Limnoria-test,ProgVal/Limnoria-test,Ban3/Limnoria,buildbot/supybot,raboof/supybot,Ban3/Limnoria,mazaclub/mazabot-core,mazaclub/mazabot-core,prashantpawar/supybot-rothbot