Instantiate model only once in pipeline (#10888)
* Instantiate model only once in pipeline
* Remove documentation of deprecated method
* Add FutureWarning
* Update src/transformers/pipelines/base.py
Co-authored-by: Lysandre Debut <lysandre@huggingface.co>
Co-authored-by: Lysandre Debut <lysandre@huggingface.co>
