Update DiaBLa.py

DiaBLa.py

@@ -88,8 +88,6 @@ class Diabla(datasets.GeneratorBasedBuilder):
                             'final_evaluation_user2': datasets.Value("string"),
                             'scenario': datasets.features.Sequence(
                                 [
-                                  datasets.features.Sequence([datasets.Value("string")]),
-                                  datasets.features.Sequence([datasets.Value("string")]),
                                   datasets.features.Sequence([datasets.Value("string")])                                                                             
                                 ]
                             ),