Doc to dataset (#18037)

* Link to the Datasets doc

* Remove unwanted file

docs/source/en/tasks/audio_classification.mdx

@@ -129,7 +129,7 @@ The preprocessing function needs to:
 ...     return inputs
 ```
 
-Use 🤗 Datasets [`map`](https://huggingface.co/docs/datasets/package_reference/main_classes.html#datasets.Dataset.map) function to apply the preprocessing function over the entire dataset. You can speed up the `map` function by setting `batched=True` to process multiple elements of the dataset at once. Remove the columns you don't need, and rename `intent_class` to `label` because that is what the model expects:
+Use 🤗 Datasets [`~datasets.Dataset.map`] function to apply the preprocessing function over the entire dataset. You can speed up the `map` function by setting `batched=True` to process multiple elements of the dataset at once. Remove the columns you don't need, and rename `intent_class` to `label` because that is what the model expects:
 
 ```py
 >>> encoded_minds = minds.map(preprocess_function, remove_columns="audio", batched=True)