FIxed python version metadata declared

Author: Sylvain MARIE

setup.cfg

@@ -20,13 +20,6 @@ classifiers =
     Topic :: Software Development :: Libraries :: Python Modules
     Topic :: Software Development :: Testing
     Programming Language :: Python
-    Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.5
-    Programming Language :: Python :: 3.6
-    Programming Language :: Python :: 3.7
-    Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11