ci(fix) travis build fix

Author: kamil.mysliwiec

example/server.ts

@@ -8,7 +8,6 @@ const microservice = app.connectMicroservice({
     transport: Transport.TCP,
     port: 5667,
 });
-
 app.startAllMicroservices(() => console.log('All microservices are listening...'));
 app.listen(port, () => {
     console.log('Application listen on port:', port);