Clean up server example config.

server/config/config.example.js

@@ -15,21 +15,12 @@ module.exports =
 		key  : `${__dirname}/../certs/mediasoup-demo.localhost.key.pem`
 	},
 	// Listening port for https server.
-	listeningPort : 443,
+	listeningPort         : 443,
 	// Any http request is redirected to https.
 	// Listening port for http server. 
 	listeningRedirectPort : 80,
-	// STUN/TURN 
-	turnServers   : [
-		{
-			urls : [
-				'turn:example.com:443?transport=tcp'
-			],
-			username   : 'example',
-			credential : 'example'
-		}
-	],
-	mediasoup :
+	// STUN/TURN
+	mediasoup             :
 	{
 		// mediasoup Server settings.
 		logLevel : 'warn',