removed unneeded commit which caused error in controller.py
removed unneeded commit which caused error in controller.py

tschmorleiz/amcat,amcat/amcat,amcat/amcat,tschmorleiz/amcat,tschmorleiz/amcat,amcat/amcat,amcat/amcat,tschmorleiz/amcat,tschmorleiz/amcat,amcat/amcat,amcat/amcat