Revert D30558877: Ported std/var to ReductionOpInfo and minimum/maximum to BinaryUfuncInfo
Test Plan: revert-hammer
Differential Revision:
D30558877 (https://github.com/pytorch/pytorch/commit/382e008fbf5cc91c283fc902bb0dd6cb7d4bbfda)
Original commit changeset: 3e62ff24a935
fbshipit-source-id: 3b9f03c1f43c6d5f2738ed139d0236f2ded78dbf
