setup.cfg: Trove classifiers: Programming Language :: Python :: 3

Author: cclauss

setup.cfg

@@ -18,11 +18,7 @@ classifier =
     Intended Audience :: Developers
     License :: OSI Approved :: BSD License
     Operating System :: OS Independent
-    Programming Language :: Python
-    Programming Language :: Python :: 2.6
-    Programming Language :: Python :: 2.7
-    Programming Language :: Python :: 3.3
-    Programming Language :: Python :: 3.4
+    Programming Language :: Python :: 3
     Topic :: Utilities
 requires-dist =
     django-appconf>=0.4.1