Revert "[caffe2/tools/autograd] Fix non-determinism in code gen (#101287)"
This reverts commit 52f526cfc0092978ebe6d7be8ae2e71a6d989254.
Reverted https://github.com/pytorch/pytorch/pull/101287 on behalf of https://github.com/jeanschmidt due to breaking internal builds ([comment](https://github.com/pytorch/pytorch/pull/101287#issuecomment-1548273201))
