SEC-552: Removed accidentally commited incomplete caching-related classes.

core/src/main/java/org/springframework/security/userdetails/CachingUserDetailsService.java

@@ -1,8 +0,0 @@
-package org.springframework.security.userdetails;
-
-/**
- * @author Luke Taylor
- * @version $Id$
- */
-public interface CachingUserDetailsService extends UserDetailsService, UserDetailsCache {
-}

core/src/main/java/org/springframework/security/userdetails/UserDetailsCache.java

@@ -1,14 +0,0 @@
-package org.springframework.security.userdetails;
-
-/**
- * @author Luke Taylor
- * @version $Id$
- */
-public interface UserDetailsCache {
-
-    boolean userIsCached(String username);
-
-    void removeUserFromCache(String username);
-
-    void clearCache();    
-}

core/src/main/java/org/springframework/security/userdetails/decorator/CacheEnabledUserDetailsService.java

@@ -1,8 +0,0 @@
-package org.springframework.security.userdetails.decorator;
-
-/**
- * @author Luke Taylor
- * @version $Id$
- */
-public class CacheEnabledUserDetailsService {
-}