delete dead hyperlink

Author: thinwybk

chain.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-"""http://www.testingperspective.com/wiki/doku.php/collaboration/chetan/designpatternsinpython/chain-of-responsibilitypattern"""
 """http://www.dabeaz.com/coroutines/"""
 
 import time