Revert "[fx] fix type promotion in `binary_magic_impl` (#91376)"
This reverts commit 88b3810c94b45f5982df616e2bc4c471d173f491.
Reverted https://github.com/pytorch/pytorch/pull/91376 on behalf of https://github.com/malfet due to eca_halonext26ts started failing after this was landed, see https://hud.pytorch.org/pytorch/pytorch/commit/88b3810c94b45f5982df616e2bc4c471d173f491
