GitLab

* Replace is_sagemaker_distributed_available

* Merge SageMakerTrainer into Trainer

* Test with shorter condition

* Put back deleted line

* Deprecate SageMakerTrainer and SageMakerTrainingArguments

* Apply suggestions from code review
Co-authored-by: Philipp Schmid <32632186+philschmid@users.noreply.github.com>
Co-authored-by: Philipp Schmid <32632186+philschmid@users.noreply.github.com>