Revert "TimerService: make TimerResponse support redirect()"

This reverts commit b404b724.

Redirects does not make any sense with timerserver responses, let's
keep this an error.

product/TimerService/timerserver/TimerServer.py

@@ -125,9 +125,6 @@ class TimerResponse(BaseResponse):
     def _finish(self):
         pass
 
-    def redirect(self, *args, **kw):
-        pass
-
     def unauthorized(self):
         pass