fix: update README.rst

Author: judithspd

README.rst

@@ -2,7 +2,7 @@
    :align: center
    :width: 400px
 
-|License| |DOI| |PyPI| |Documentation Status| |Pipeline Status| |Python version|
+|License| |DOI| |PyPI| |Documentation Status| |Pipeline Status|
 
 pyCANON is a Python library and CLI to assess the values of the parameters
 associated with the most common privacy-preserving techniques via anonymization.
@@ -139,6 +139,5 @@ research and innovation programme under grant agreement number 101131957).
    :target: https://pycanon.readthedocs.io/en/latest/?badge=latest
 .. |Pipeline Status| image:: https://github.com/IFCA-Advanced-Computing/pycanon/actions/workflows/cicd.yml/badge.svg?event=push
    :target: https://github.com/IFCA-Advanced-Computing/pycanon/actions/workflows/cicd.yml
-.. |Python version| image:: https://img.shields.io/badge/python-3.8|3.9|3.10|3.11|3.12-blue