Cleanup trailing whitespace

spring-boot-samples/spring-boot-sample-data-mongodb/src/main/java/org/springframework/boot/sample/data/mongo/SampleMongoApplication.java

@@ -27,13 +27,13 @@ import org.springframework.context.annotation.Configuration;
 @EnableAutoConfiguration
 @ComponentScan
 public class SampleMongoApplication implements CommandLineRunner {
-	
+
 	@Autowired
 	private CustomerRepository repository;
 
 	@Override
 	public void run(String... args) throws Exception {
-		
+
 		repository.deleteAll();
 
 		// save a couple of customers

spring-boot-samples/spring-boot-sample-data-mongodb/src/test/java/org/springframework/boot/sample/data/mongo/SampleMongoApplicationTests.java

@@ -27,14 +27,14 @@ import org.springframework.core.NestedCheckedException;
 
 /**
  * Tests for {@link SampleMongoApplication}.
- * 
+ *
  * @author Dave Syer
  */
 public class SampleMongoApplicationTests {
 
 	@Rule
 	public OutputCapture outputCapture = new OutputCapture();
-	
+
 	@Test
 	public void testDefaultSettings() throws Exception {
 		try {