Spring Cleaning in December

- Delete unused imports
- Delete unused code
- Clean up warnings

spring-jms/src/test/java/org/springframework/jms/config/JmsListenerContainerFactoryIntegrationTests.java

@@ -17,7 +17,6 @@
 package org.springframework.jms.config;
 
 import java.lang.reflect.Method;
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
 import javax.jms.JMSException;