Remove deprecated tasks (#4)

- Remove deprecated tasks (8491549e5046ea122b976791945e1b8574acea8d)

cats_vs_dogs.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__)
@@ -54,11 +53,6 @@ class CatsVsDogs(datasets.GeneratorBasedBuilder):
                 }
             ),
             supervised_keys=("image_file_path", "labels"),
-            task_templates=[
-                ImageClassification(
-                    image_file_path_column="image_file_path", label_column="labels", labels=["Cat", "Dog"]
-                )
-            ],
             homepage=_HOMEPAGE,
             citation=_CITATION,
         )