pytorch

e1824010 - [ONNX] Remove aten parameter (#61652) (#62759)

[ONNX] Remove aten parameter (#61652) (#62759) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/62759 * remove aten argument in export() * add export_to_pretty_string default value OperatorExportTypes.ONNX * add DPYTORCH_ONNX_CAFFE2_BUNDLE description Test Plan: Imported from OSS Reviewed By: SplitInfinity Differential Revision: D30349062 Pulled By: msaroufim fbshipit-source-id: d9738f3aa8b80eac54548d0b9494f9f1e544f20f Co-authored-by: Gary Miguel <garymiguel@microsoft.com>