transformers

212829ad - Remove more unused attributes in config classes (#21000)

Remove more unused attributes in config classes (#21000) * Remove gradient_checkpointing from MarkupLMConfig * Remove predict_special_tokens from OpenAIGPTConfig * Remove enable_cls from RoCBertConfig * Remove batch_size from TrajectoryTransformerConfig * Remove searcher_seq_len from RealmConfig * Remove feat_quantizer_dropout from WavLMConfig * Remove position_biased_input from SEWDConfig * Remove max_source_positions from Speech2Text2Config Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>