issue#2040

移除RocketMQConfigBeanPostProcessor在RocketMQBinderAutoConfiguration类中的注入，改为通过spirng.factories注入，原来是通过spirng.binders经过spring-cloud-stream代理

spring-cloud-alibaba-starters/spring-cloud-starter-stream-rocketmq/src/main/java/com/alibaba/cloud/stream/binder/rocketmq/autoconfigurate/RocketMQBinderAutoConfiguration.java

@@ -50,11 +50,6 @@ public class RocketMQBinderAutoConfiguration {
 	@Autowired
 	private RocketMQBinderConfigurationProperties rocketBinderConfigurationProperties;
 
-	@Bean
-	public RocketMQConfigBeanPostProcessor rocketMQConfigBeanPostProcessor() {
-		return new RocketMQConfigBeanPostProcessor();
-	}
-
 	@Bean(RocketMQMessageConverter.DEFAULT_NAME)
 	@ConditionalOnMissingBean(name = { RocketMQMessageConverter.DEFAULT_NAME })
 	public CompositeMessageConverter rocketMQMessageConverter() {

spring-cloud-alibaba-starters/spring-cloud-starter-stream-rocketmq/src/main/resources/META-INF/spring.factories

@@ -1,2 +1,3 @@
 org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
-com.alibaba.cloud.stream.binder.rocketmq.autoconfigurate.ExtendedBindingHandlerMappingsProviderConfiguration
+com.alibaba.cloud.stream.binder.rocketmq.autoconfigurate.ExtendedBindingHandlerMappingsProviderConfiguration,\
+com.alibaba.cloud.stream.binder.rocketmq.custom.RocketMQConfigBeanPostProcessor