Revert "[fix] composite compliance: cumprod, _masked.cumprod, linalg.vander (#85330)"
This reverts commit d3dec8097b847fc46755ef06ea6ff90eebc846eb.
Reverted https://github.com/pytorch/pytorch/pull/85330 on behalf of https://github.com/dagitses due to a PR this is based on got reverted, rebase and reland
