BATCH-2686: Remove System.out statements from remote chunking sample

Author: fmbenhassine

spring-batch-samples/src/test/java/org/springframework/batch/sample/RemoteChunkingJobFunctionalTests.java

@@ -76,12 +76,10 @@ public class RemoteChunkingJobFunctionalTests {
 	@Before
 	public void setUp() {
 		workerApplicationContext = new AnnotationConfigApplicationContext(WorkerConfiguration.class);
-		System.out.println("Started a worker..");
 	}
 
 	@After
 	public void tearDown() {
-		System.out.println("Stopping the worker..");
 		workerApplicationContext.close();
 	}