removed duplicate word

actionpack/README.rdoc

 = Action Pack -- From request to response
 
-Action Pack is a framework for handling and responding to web requests. It it
+Action Pack is a framework for handling and responding to web requests. It
 provides mechanisms for *routing* (mapping request URLs to actions), defining
 *controllers* that implement actions, and generating responses by rendering
 *views*, which are templates of various formats. In short, Action Pack