Revert D21493165: Automatic update of fbcode/onnx to 20b3e10e6c3a9cdab90d2bb864d1c36d3e3651cd
Test Plan: revert-hammer
Differential Revision:
D21493165
Original commit changeset: 6863b289bfbf
fbshipit-source-id: 47b530c8ffceb3673a86b6cf0c064fe6af0eb72d
