Updated sp example to work with phantomJS

Author: dallerbarn

example/sp-wsgi/sp.py

@@ -377,7 +377,6 @@ def do(self, response, binding, relay_state="", mtype="response"):
         cookie = self.cache.set_cookie(user)
 
         resp = Redirect("/", headers=[
-            ("Location", "/"),
             cookie,
         ])
         return resp(self.environ, self.start_response)