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

tesis.py

@@ -17,7 +17,6 @@
 """IMDB movie reviews dataset."""
 
 import datasets
-from datasets.tasks import TextClassification
 
 
 _DESCRIPTION = """
@@ -59,7 +58,6 @@ class Imdb(datasets.GeneratorBasedBuilder):
             supervised_keys=None,
             homepage="http://ai.stanford.edu/~amaas/data/sentiment/",
             citation=_CITATION,
-            task_templates=[TextClassification(text_column="text", label_column="label")],
         )
 
     def _split_generators(self, dl_manager):