Update README.rst

Author: jposada202020

README.rst

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-.. image:: https://readthedocs.org/projects/circuitpython-uplot/badge/?version=latest
-    :target: https://circuitpython-uplot.readthedocs.io/
-    :alt: Documentation Status
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 .. image:: https://github.com/jposada202020/CircuitPython_uplot/workflows/Build%20CI/badge.svg
     :target: https://github.com/jposada202020/CircuitPython_uplot/actions
     :alt: Build Status
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     :alt: Total PyPI downloads
     :target: https://pepy.tech/project/circuitpython-uplot
 
-.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
-    :target: https://github.com/psf/black
-    :alt: Code Style: Black
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 Framework to display different graphical plots in displayio.
 Take a look in the `examples <https://circuitpython-uplot.readthedocs.io/en/latest/examples.html>`_ section in RTD to see the gallery