[docs] Remove broken link from fairscale docs. (#325)

* fix broken link

* remove link

* add direct link

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Co-authored-by: Anjali Sridhar <anj@devfair0443.h2.fair>

docs/source/tutorials/pipe.rst

@@ -60,7 +60,7 @@ You can then define any optimizer and loss function
     
 
 
-Finally, to run the model and compute the loss function, make sure that outputs and target are on the same device
+Finally, to run the model and compute the loss function, make sure that outputs and target are on the same device.
 
 .. code-block:: default   
 
@@ -77,4 +77,4 @@ Finally, to run the model and compute the loss function, make sure that outputs
 
 
 
-run the example `here <../../../examples/tutorial_pipe.py>`_. 
\ No newline at end of file
+You can find a complete example under the `examples folder <https://github.com/facebookresearch/fairscale/blob/master/examples/tutorial_pipe.py>`_ in the fairscale repo.