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

cats_vs_dogs_sample.py

@@ -18,7 +18,6 @@ from pathlib import Path
 from typing import List
 
 import datasets
-from datasets.tasks import ImageClassification
 
 
 logger = datasets.logging.get_logger(__name__)
@@ -53,11 +52,6 @@ class CatsVsDogs(datasets.GeneratorBasedBuilder):
                 }
             ),
             supervised_keys=("image", "labels"),
-            task_templates=[
-                ImageClassification(
-                    image_column="image", label_column="labels"
-                )
-            ],
             homepage=_HOMEPAGE,
             citation=_CITATION,
         )