Fix loading_data_recipe links (#1698)

Fixes pytorch/pytorch.github.io#835

Co-authored-by: Brian Johnson <brianjo@fb.com>

Author: malfet

recipes_source/recipes/loading_data_recipe.py

@@ -14,9 +14,9 @@
 `torch.utils.data.Dataset <https://pytorch.org/docs/stable/data.html#torch.utils.data.Dataset>`__.
 These datasets are currently available in:
 
-* `torchvision <https://pytorch.org/docs/stable/torchvision/datasets.html>`__
-* `torchaudio <https://pytorch.org/audio/datasets.html>`__
-* `torchtext <https://pytorch.org/text/datasets.html>`__
+* `torchvision <https://pytorch.org/vision/stable/datasets.html>`__
+* `torchaudio <https://pytorch.org/audio/stable/datasets.html>`__
+* `torchtext <https://pytorch.org/text/stable/datasets.html>`__
 
 with more to come.
 Using the Yesno dataset from ``torchaudio.datasets.YESNO``, we will