Fix unused imports in the AbstractMessageLC

Author: artembilan

spring-rabbit/src/main/java/org/springframework/amqp/rabbit/listener/AbstractMessageListenerContainer.java

@@ -40,7 +40,6 @@
 import org.springframework.amqp.ImmediateAcknowledgeAmqpException;
 import org.springframework.amqp.core.AcknowledgeMode;
 import org.springframework.amqp.core.AmqpAdmin;
-import org.springframework.amqp.core.BatchMessageListener;
 import org.springframework.amqp.core.Message;
 import org.springframework.amqp.core.MessageListener;
 import org.springframework.amqp.core.MessagePostProcessor;
@@ -54,7 +53,6 @@
 import org.springframework.amqp.rabbit.connection.RabbitResourceHolder;
 import org.springframework.amqp.rabbit.connection.RabbitUtils;
 import org.springframework.amqp.rabbit.connection.RoutingConnectionFactory;
-import org.springframework.amqp.rabbit.listener.api.ChannelAwareBatchMessagelistener;
 import org.springframework.amqp.rabbit.listener.api.ChannelAwareMessageListener;
 import org.springframework.amqp.rabbit.listener.exception.FatalListenerExecutionException;
 import org.springframework.amqp.rabbit.listener.exception.FatalListenerStartupException;