refactor(upload): 移除视频上传中的异常捕获逻辑

移除了 upload_image_and_video.py 中的 try-except 块，使代码结构更简洁。现在，视频上传的异常处理将由上层调用者负责。

service/upload_image_and_video.py

@@ -253,11 +253,8 @@ async def upload_single_video(task: dict, local_path: any, original_url: str, cu
     else:
     else:
         md5_key = "generated_video"
         md5_key = "generated_video"
 
 
-    try:
     result = await run_in_executor(upload_video_with_multithreading, task)
     result = await run_in_executor(upload_video_with_multithreading, task)
     logger.success(f'视频上传成功: {result}')
     logger.success(f'视频上传成功: {result}')
     return md5_key, result
     return md5_key, result
-    except Exception as e:
-        logger.error(f'视频上传失败: {original_url}, 错误: {str(e)}')
-        return md5_key, None
+