Revert D29642893: .github: Add force_on_cpu tests for windows
Test Plan: revert-hammer
Differential Revision:
D29642893 (https://github.com/pytorch/pytorch/commit/a52de0dfec4eeb288882cdea683a212f03cf3fc7)
Original commit changeset: 2dd2b295c71d
fbshipit-source-id: c01c421689f6d01cdfb3fe60a8c6428253249c5f
