Revert D25977352: [pytorch][PR] Refactor mypy configs list into editor-friendly wrapper
Test Plan: revert-hammer
Differential Revision:
D25977352 (https://github.com/pytorch/pytorch/commit/73dffc84524246c982e237324f89022e089f2d94)
Original commit changeset: 4b3a5e8a9071
fbshipit-source-id: a0383ea4158f54be6f128b9ddb2cd12fc3a3ea53
