chore: remove unnecessary blank lines from PaymentProvider

Author: otaviojava

src/main/java/com/acme/payment/provider/PaymentProvider.java

@@ -49,6 +49,4 @@ void receivePayment(@ObservesAsync PaymentRequestedEvent event) {
         }
         LOGGER.info("Payment processed: " + event.payment().getId() + " - Confirmation #" + counter.incrementAndGet());
     }
-
-
 }