Remove useless dependency

spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/service/DubboMetadataServiceProxy.java

@@ -21,10 +21,11 @@ import java.util.Map;
 import java.util.Optional;
 import java.util.concurrent.ConcurrentHashMap;
 
-import com.alibaba.cloud.dubbo.metadata.repository.DubboServiceMetadataRepository;
 import com.alibaba.cloud.dubbo.metadata.repository.ServiceInstanceSelector;
 import com.alibaba.cloud.dubbo.util.DubboMetadataUtils;
+
 import org.apache.dubbo.common.URL;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -60,7 +61,6 @@ public class DubboMetadataServiceProxy implements BeanClassLoaderAware, Disposab
 
 	public DubboMetadataServiceProxy(
 			DubboGenericServiceFactory dubboGenericServiceFactory,
-			DubboServiceMetadataRepository dubboServiceMetadataRepository,
 			DubboMetadataUtils dubboMetadataUtils,
 			ServiceInstanceSelector serviceInstanceSelector,
 			DiscoveryClient discoveryClient) {