Revert "Fix backward of binary_cross_entropy_with_logits"
This reverts commit 28a7ee8cec122d6f6c9a9b891b7cc6bb8224c9a7.
Reverted https://github.com/pytorch/pytorch/pull/79381 on behalf of https://github.com/janeyx99 due to Sorry, https://hud.pytorch.org/pytorch/pytorch/commit/28a7ee8cec122d6f6c9a9b891b7cc6bb8224c9a7 this PR breaks trunk-only slow test job
