Revert "Produce constant variables in cases where a SymNode is created with a constant (#100144)"
This reverts commit d7bdfd345402615eccbcc8bda24addb5cd3fa696.
Reverted https://github.com/pytorch/pytorch/pull/100144 on behalf of https://github.com/ezyang due to ci failure is real ([comment](https://github.com/pytorch/pytorch/pull/100144#issuecomment-1529587039))
