refactor: 基类微调，去除父引用

backend/framework/plugin/metersphere-api-plugin-sdk/src/main/java/io/metersphere/plugin/api/dto/TestElementDTO.java

@@ -41,9 +41,6 @@ public abstract class TestElementDTO implements Serializable {
     // 子组件
     private LinkedList<TestElementDTO> children;
 
-    // 父类
-    private TestElementDTO parent;
-
     /**
      * 自组件重新这个方法
      */

backend/framework/sdk/src/main/java/io/metersphere/sdk/file/MinioRepository.java

@@ -73,12 +73,11 @@ public class MinioRepository implements FileRepository {
         return listObjects(MinioConfig.BUCKET, getPath(request));
     }
 
-    private boolean removeObject(String bucketName, String objectName) throws Exception {
+    private void removeObject(String bucketName, String objectName) throws Exception {
         client.removeObject(RemoveObjectArgs.builder()
                 .bucket(bucketName) // 存储桶
                 .object(objectName) // 文件名
                 .build());
-        return true;
     }
 
     public void removeObjects(String bucketName, String objectName) throws Exception {

backend/framework/sdk/src/main/java/io/metersphere/sdk/invoker/ProjectServiceInvoker.java

@@ -20,10 +20,4 @@ public class ProjectServiceInvoker {
             service.deleteResources(projectId);
         }
     }
-
-    public void invokeReportServices(String projectId) {
-        for (CleanupProjectResourceService service : cleanupProjectResourceServices) {
-            service.cleanReportResources(projectId);
-        }
-    }
 }