Revert "[inductor] Refactor RNG operators (#100064)"
This reverts commit 3bbf0683a1d56d8edc03822ccf3e38445322b4f8.
Reverted https://github.com/pytorch/pytorch/pull/100064 on behalf of https://github.com/izaitsevfb due to breaks inductor tests, see D45936056 ([comment](https://github.com/pytorch/pytorch/pull/100064#issuecomment-1552093728))
