Add Fast Image Processor for LayoutLMv2 (#37203)
* add support layoutlmv2
* make style
* Apply suggestions from code review
Co-authored-by: Yoni Gozlan <74535834+yonigozlan@users.noreply.github.com>
* add warning and clean up
* make style
* Update src/transformers/models/layoutlmv2/image_processing_layoutlmv2_fast.py
Co-authored-by: Yoni Gozlan <74535834+yonigozlan@users.noreply.github.com>
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Co-authored-by: Yoni Gozlan <74535834+yonigozlan@users.noreply.github.com>
