fix readme description syntax error causing release action to fail

Author: danabens

README.rst

@@ -3,9 +3,7 @@
     :alt: SageMaker
     :target: https://aws.amazon.com/sagemaker/
 
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 **NOTE:** Use the SageMaker `SDK <https://sagemaker.readthedocs.io/en/v2.125.0/experiments/sagemaker.experiments.html>`_ to use SageMaker Experiments. This repository will not be up to date with the latest product improvements. Link to `developer guide <https://docs.aws.amazon.com/sagemaker/latest/dg/experiments.html>`_. 
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 SageMaker Experiments Python SDK