remove python 2.6 from setup.py

Author: tony

setup.py

@@ -63,7 +63,6 @@ def run_tests(self):
         'Environment :: Web Environment',
         'Intended Audience :: Developers',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',