Remove < py3.6 compat

Author: jhodges10

setup.py

@@ -52,10 +52,6 @@ def run(self):
     'Topic :: Multimedia :: Video',
     'Topic :: Software Development :: Libraries',
     'License :: OSI Approved :: MIT License',
-    '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',