Revert "Gradient accumulation for TFTrainer (#9585)"
Revert "Gradient accumulation for TFTrainer (#9585)"

This reverts commit 3f40070c88de07169fe18b0b4c4003ef2858a284.

huggingface/transformers,huggingface/transformers,huggingface/pytorch-transformers,huggingface/transformers,huggingface/transformers