Switched log to english

src/main/java/grpchelloserver/GreetingServiceImpl.java

@@ -26,7 +26,7 @@ public class GreetingServiceImpl extends GreetingServiceImplBase {
     @Override
     public void streamGreeting(HelloRequest request, StreamObserver<HelloResponse> responseObserver){
 
-        System.out.println("Metodo stream chiamato!");
+        System.out.println("Stream method called");
 
         //The request is a HelloRequest (defined in the .proto file)
         System.out.println(request);