text: Title: Remove ultralytics dependency
  Body: ### Search before asking
  
  - [x] I have searched the Ultralytics YOLO [issues](https://github.com/ultralytics/ultralytics/issues) and [discussions](https://github.com/orgs/ultralytics/discussions) and found no similar questions.
  
  
  ### Question
  
  I am using python 3.6.9 version and i need to load best.pt of yolo11n model , how to remove the dependency of ultralytics model and load best.pt model
  
  
  ### Additional
  
  _No response_