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d1ba2efd - Revert "add APIs to determine a class is a namedtuple or PyStructSequence (#113257)"

Revert "add APIs to determine a class is a namedtuple or PyStructSequence (#113257)" Summary: This reverts commit f08146b67bab331f7bdc9fa247f526f6e60a7190. Reverted https://github.com/pytorch/pytorch/pull/113257 on behalf of https://github.com/jovianjaison due to breaking internal builds ([comment](https://github.com/pytorch/pytorch/pull/113257#issuecomment-2711299830)) Differential Revision: D70903497 fbshipit-source-id: 8e6cc0702ff8498c4a6a5e6623a9cdd188e063c7