Revert "[primTorch] Adds random operations (#78026)"
This reverts commit 043cf1f9c746b4dda2c404ba6c76c6ccad5e2cbe.
Reverted https://github.com/pytorch/pytorch/pull/78026 on behalf of https://github.com/suo due to This broke trunk: https://hud.pytorch.org/pytorch/pytorch/commit/043cf1f9c746b4dda2c404ba6c76c6ccad5e2cbe
