Remove datasets requirement (#14795)

src/transformers/testing_utils.py

@@ -31,7 +31,6 @@ from transformers import logging as transformers_logging
 
 from .deepspeed import is_deepspeed_available
 from .file_utils import (
-    is_datasets_available,
     is_detectron2_available,
     is_faiss_available,
     is_flax_available,
@@ -513,15 +512,6 @@ def require_torch_tf32(test_case):
         return test_case
 
 
-def require_datasets(test_case):
-    """Decorator marking a test that requires datasets."""
-
-    if not is_datasets_available():
-        return unittest.skip("test requires `datasets`")(test_case)
-    else:
-        return test_case
-
-
 def require_detectron2(test_case):
     """Decorator marking a test that requires detectron2."""
     if not is_detectron2_available():