fix: Every time a vectorized document is generated, the entire vectorized data of the document is deleted (#2721)

Author: shaohuzhang1

apps/common/event/listener_manage.py

@@ -272,8 +272,6 @@ def is_the_task_interrupted():
             ListenerManagement.update_status(QuerySet(Document).filter(id=document_id), TaskType.EMBEDDING,
                                              State.STARTED)
 
-            # 删除文档向量数据
-            VectorStore.get_embedding_vector().delete_by_document_id(document_id)
 
             # 根据段落进行向量化处理
             page_desc(QuerySet(Paragraph)