Revert "Fix ordered dict loading with LibTorch (#100743)"
This reverts commit d371a890a21ab4b39905ed1797da6a15c0c43f53.
Reverted https://github.com/pytorch/pytorch/pull/100743 on behalf of https://github.com/jeanschmidt due to New test introduced SerializationTest.SaveStateDict is adding regressions ([comment](https://github.com/pytorch/pytorch/pull/100743#issuecomment-1542400538))
