Removed older version of python added 3.5/3.6

In setup.cfg file the python 3.5/3.6 is added

Change-Id: I243961032956f72601b04450a79ee212e4d00292
Closes-Bug:  #1802025

setup.cfg

@@ -16,8 +16,8 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.3
-    Programming Language :: Python :: 3.4
+    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
 
 [files]
 packages =