add order to listener

discovery-plugin-framework/src/main/java/com/nepxion/discovery/plugin/framework/listener/discovery/AbstractDiscoveryListener.java

@@ -10,14 +10,11 @@ package com.nepxion.discovery.plugin.framework.listener.discovery;
  * @version 1.0
  */
 
+import com.nepxion.discovery.plugin.framework.listener.BasicListener;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.cloud.client.discovery.DiscoveryClient;
-
-import com.nepxion.discovery.plugin.framework.listener.BasicListener;
 import org.springframework.core.Ordered;
 
-import javax.annotation.Priority;
-
 public abstract class AbstractDiscoveryListener extends BasicListener implements DiscoveryListener, Ordered {
     @Autowired
     protected DiscoveryClient discoveryClient;