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

Caltech-101.py

@@ -21,7 +21,7 @@ from pathlib import Path
 import datasets
 import numpy as np
 import scipy.io
-from datasets.tasks import ImageClassification
+
 
 _CITATION = """\
 @article{FeiFei2004LearningGV,