DATACMNS-681 - Removed some compiler warnings.

Removed unused constants.

Author: odrotbohm

src/main/java/org/springframework/data/auditing/AnnotationAuditingMetadata.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2014 the original author or authors.
+ * Copyright 2012-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -51,7 +51,6 @@ final class AnnotationAuditingMetadata {
 
 	private static final Map<Class<?>, AnnotationAuditingMetadata> METADATA_CACHE = new ConcurrentHashMap<Class<?>, AnnotationAuditingMetadata>();
 
-	private static final String JDK8_TIME_PACKAGE_PREFIX = "java.time";
 	public static final boolean IS_JDK_8 = org.springframework.util.ClassUtils.isPresent("java.time.Clock",
 			AnnotationAuditingMetadata.class.getClassLoader());
 

src/main/java/org/springframework/data/repository/query/Parameters.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2014 the original author or authors.
+ * Copyright 2008-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,6 +37,7 @@
  */
 public abstract class Parameters<S extends Parameters<S, T>, T extends Parameter> implements Iterable<T> {
 
+	@SuppressWarnings("unchecked")//
 	public static final List<Class<?>> TYPES = Arrays.asList(Pageable.class, Sort.class);
 
 	private static final String PARAM_ON_SPECIAL = format("You must not user @%s on a parameter typed %s or %s",