removed unused code

loader.js

@@ -132,11 +132,6 @@ Loader.addWorkerEvents = function(worker) {
 						hash: message.hash
 					}, worker.pid);
 				break;
-				case 'listening':
-					if (message.primary) {
-						Loader.primaryWorker = parseInt(worker.pid, 10);
-					}
-				break;
 				case 'config:update':
 					Loader.notifyWorkers(message);
 				break;

src/webserver.js

@@ -106,13 +106,6 @@ if(nconf.get('ssl')) {
 			}
 
 			winston.info('NodeBB is now listening on: ' + bind_address);
-			if (process.send) {
-				process.send({
-					action: 'listening',
-					bind_address: bind_address,
-					primary: nconf.get('isPrimary') === 'true'
-				});
-			}
 
 			callback();
 		});