Revert "add DisableTorchFunction that matches DisableTorchDispatch (#88219)"
This reverts commit c0ecce15b5a54ff0185f9976e6bfb6f3a7de698d.
Reverted https://github.com/pytorch/pytorch/pull/88219 on behalf of https://github.com/izaitsevfb due to BC-breaking change, D41211901
