Revert D29887367: [Static Runtime] Enforce proper output dtype for many ops
Test Plan: revert-hammer
Differential Revision:
D29887367 (https://github.com/pytorch/pytorch/commit/f4136c5efcfab70f053c4197e00a9c8080c59881)
Original commit changeset: cef04bfa52ec
fbshipit-source-id: 32e89f2b6381930559dd746b535904c3e90fd52b
