improve code style

Author: corgiboygsj

hubble-be/src/main/java/com/baidu/hugegraph/controller/schema/PropertyKeyController.java

@@ -41,8 +41,8 @@
 import com.baidu.hugegraph.entity.schema.UsingCheckEntity;
 import com.baidu.hugegraph.exception.ExternalException;
 import com.baidu.hugegraph.service.schema.PropertyKeyService;
-import com.baidu.hugegraph.util.HubbleUtil;
 import com.baidu.hugegraph.util.Ex;
+import com.baidu.hugegraph.util.HubbleUtil;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 
 import lombok.extern.log4j.Log4j2;

hubble-be/src/main/java/com/baidu/hugegraph/entity/schema/LabelUpdateEntity.java

@@ -26,10 +26,7 @@
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 
-import lombok.AllArgsConstructor;
-import lombok.Builder;
 import lombok.Data;
-import lombok.NoArgsConstructor;
 
 @Data
 public abstract class LabelUpdateEntity implements Typifiable {

hubble-be/src/main/java/com/baidu/hugegraph/filter/AuthFilter.java

@@ -40,8 +40,8 @@
 
 import com.baidu.hugegraph.common.Constant;
 import com.baidu.hugegraph.common.Response;
-import com.baidu.hugegraph.driver.HugeClient;
 import com.baidu.hugegraph.config.AuthClientConfiguration;
+import com.baidu.hugegraph.driver.HugeClient;
 import com.baidu.hugegraph.util.JsonUtil;
 import com.google.common.collect.ImmutableSet;
 

hubble-be/src/main/java/com/baidu/hugegraph/service/system/AuthService.java

@@ -19,8 +19,6 @@
 
 package com.baidu.hugegraph.service.system;
 
-import java.util.Map;
-
 import javax.annotation.Resource;
 
 import org.springframework.stereotype.Service;