Revert "[primTorch] refs: lerp (#78473)"
This reverts commit a9f6a35a33308f3be2413cc5c866baec5cfe3ba1.
Reverted https://github.com/pytorch/pytorch/pull/78473 on behalf of https://github.com/malfet due to Seems to broke Mac tests, see https://hud.pytorch.org/pytorch/pytorch/commit/a9f6a35a33308f3be2413cc5c866baec5cfe3ba1
