remove debug log

chatSession.go

 		proc.serve(ss, v) //transit to new state
 	} else {
 		processed := ss.serveCommand(v) //menu or txt command e.g. search
-		log.Println("处理完名利的 procedure=" + ss.Procedure)
-		if !processed { // transfer to Customer Service (kf)
+		if !processed {                 // transfer to Customer Service (kf)
 			//start transfer
 			ss.state.response, _ = BuildKFTransferAnyOneMsg(openID)
 			v.replyXML(ss.state.response)