Remove deprecated tasks

This dataset uses `tasks`, which are deprecated and will raise an error after the next major release of `datasets`. See: https://github.com/huggingface/datasets/pull/6999

demo2.py

@@ -19,7 +19,6 @@ import csv
 import json
 
 import datasets
-from datasets import TextClassification
 
 
 logger = datasets.logging.get_logger(__name__)
@@ -83,11 +82,6 @@ class Demo2(datasets.GeneratorBasedBuilder):
             supervised_keys=None,
             homepage="https://rajpurkar.github.io/SQuAD-explorer/",
             citation=_CITATION,
-            task_templates=[
-                TextClassification(
-                    text_column="text", label_column="label"
-                )
-            ],
         )
 
     def _split_generators(self, dl_manager):