removed unused logging import from sklearn classifier
removed unused logging import from sklearn classifier

beeva-fernandocerezal/rasa_nlu,verloop/rasa_nlu,verloop/rasa_nlu,RasaHQ/rasa_nlu,beeva-fernandocerezal/rasa_nlu,RasaHQ/rasa_nlu,PHLF/rasa_nlu,PHLF/rasa_nlu,RasaHQ/rasa_nlu