transformers

8f137b24 - Move `DataCollatorForMultipleChoice` from the docs to the package (#34763)

Move `DataCollatorForMultipleChoice` from the docs to the package (#34763) * Add implementation for DataCollatorForMultipleChoice based on docs. * Add DataCollatorForMultipleChoice to import structure. * Remove custom DataCollatorForMultipleChoice implementations from example scripts. * Remove custom implementations of DataCollatorForMultipleChoice from docs in English, Spanish, Japanese and Korean. * Refactor torch version of DataCollatorForMultipleChoice to be more easily understandable. * Apply suggested changes and run make fixup. * fix copies, style and fixup * add missing documentation * nits * fix docstring * style * nits * isort --------- Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com> Co-authored-by: Arthur Zucker <arthur.zucker@gmail.com>