Update README.rst -- rm codefactor

Author: thierrymoudiki

README.rst

@@ -9,9 +9,6 @@ BCN
         :target: https://github.com/Techtonique/bcn_python/blob/main/LICENSE
 .. image:: https://pepy.tech/badge/BCN
         :target: https://pepy.tech/project/BCN
-.. image:: https://www.codefactor.io/repository/github/techtonique/bcn_python/badge
-   :target: https://www.codefactor.io/repository/github/techtonique/bcn_python
-   :alt: CodeFactor
 .. image:: https://img.shields.io/badge/documentation-is_here-green
         :target: https://techtonique.github.io/bcn_python/
 .. image:: https://hits.dwyl.com/Techtonique/bcn.svg?style=flat-square