[Python]: Modernize setup and drop Python 2 (#8955)

python/setup.cfg

diff --git a/python/setup.cfg b/python/setup.cfg
index 0c43b1c..8183238 100644
--- a/python/setup.cfg
+++ b/python/setup.cfg
@@ -1,6 +1,2 @@
-[bdist_wheel]
-universal=1
-
 [metadata]
-license_files =
-   ../LICENSE
\ No newline at end of file
+license_files = LICENSE

python/setup.py

diff --git a/python/setup.py b/python/setup.py
index 8bea4c7..e36da51 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -32,10 +32,8 @@
     description='The FlatBuffers serialization format for Python',
     classifiers=[
         'Intended Audience :: Developers',
-        'License :: OSI Approved :: Apache Software License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 3',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],