Broken links fixed related to datasets docs (#27569)

fixed the broken links belogs to dataset library of transformers

examples/pytorch/question-answering/run_qa.py

@@ -337,7 +337,7 @@ def main():
             token=model_args.token,
         )
     # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
-    # https://huggingface.co/docs/datasets/loading_datasets.html.
+    # https://huggingface.co/docs/datasets/loading_datasets.
 
     # Load pretrained model and tokenizer
     #

examples/pytorch/question-answering/run_qa_beam_search.py

@@ -325,7 +325,7 @@ def main():
             token=model_args.token,
         )
     # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
-    # https://huggingface.co/docs/datasets/loading_datasets.html.
+    # https://huggingface.co/docs/datasets/loading_datasets.
 
     # Load pretrained model and tokenizer
     #

examples/pytorch/question-answering/run_qa_beam_search_no_trainer.py

@@ -369,7 +369,7 @@ def main():
         extension = args.train_file.split(".")[-1]
         raw_datasets = load_dataset(extension, data_files=data_files, field="data")
     # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
-    # https://huggingface.co/docs/datasets/loading_datasets.html.
+    # https://huggingface.co/docs/datasets/loading_datasets.
 
     # Load pretrained model and tokenizer
     #

examples/pytorch/question-answering/run_qa_no_trainer.py

@@ -417,7 +417,7 @@ def main():
         extension = args.train_file.split(".")[-1]
         raw_datasets = load_dataset(extension, data_files=data_files, field="data")
     # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
-    # https://huggingface.co/docs/datasets/loading_datasets.html.
+    # https://huggingface.co/docs/datasets/loading_datasets.
 
     # Load pretrained model and tokenizer
     #

examples/pytorch/question-answering/run_seq2seq_qa.py

@@ -382,7 +382,7 @@ def main():
             token=model_args.token,
         )
     # See more about loading any type of standard or custom dataset (from files, python dict, pandas DataFrame, etc) at
-    # https://huggingface.co/docs/datasets/loading_datasets.html.
+    # https://huggingface.co/docs/datasets/loading_datasets.
 
     # Load pretrained model and tokenizer
     #