Revert "[compiled autograd] free stack objects before calling compiled graph (#121707)"
This reverts commit 5b90074540577267c29f5f784be123ee54f6491d.
Reverted https://github.com/pytorch/pytorch/pull/121707 on behalf of https://github.com/huydhn due to Sorry for reverting your change but I think it breaks inductor CPU tests https://hud.pytorch.org/pytorch/pytorch/commit/5b90074540577267c29f5f784be123ee54f6491d ([comment](https://github.com/pytorch/pytorch/pull/121698#issuecomment-1995868090))
