Delete Codes Generating Errors

@@ -12,14 +12,9 @@ app.use(bodyParser.json());
 app.post('/hook', function (request, response) {
 
     var eventObj = request.body.events[0];
-    var source = eventObj.source;
-    var message = eventObj.message;
 
     // request log
     console.log('======================', new Date() ,'======================');
-    console.log('[request]', request.body);
-    console.log('[request source] ', eventObj.source);
-    console.log('[request message]', eventObj.message);
 
     response.sendStatus(200);
 });