Polishing.

Update javadoc and fix formatting.

Original Pull Request: #3093

src/main/java/org/springframework/data/repository/config/FragmentMetadata.java

@@ -60,7 +60,6 @@ public class FragmentMetadata {
 	 * Returns whether the given interface is a fragment candidate.
 	 *
 	 * @param interfaceName must not be {@literal null} or empty.
-	 * @param factory must not be {@literal null}.
 	 * @return
 	 */
 	private boolean isCandidate(String interfaceName) {
@@ -69,7 +68,6 @@ public class FragmentMetadata {
 
 		AnnotationMetadata metadata = getAnnotationMetadata(interfaceName);
 		return !metadata.hasAnnotation(NoRepositoryBean.class.getName());
-
 	}
 
 	private AnnotationMetadata getAnnotationMetadata(String className) {

src/test/java/org/springframework/data/repository/config/RepositoryWithFragmentExclusion.java

@@ -18,7 +18,7 @@ package org.springframework.data.repository.config;
 import org.springframework.data.repository.config.AnnotationRepositoryConfigurationSourceUnitTests.Person;
 
 /**
- * Repository with customized base base interface.
+ * Repository with customized base interface.
  *
  * @author Mark Paluch
  */