Revert "Resubmit "Compile the D3D11 VS and PS on separate threads at GL link time"" Causes errors in Clang-Win. We can fix the error and then resubmit, but need to do a roll now. This reverts commit 310184861bab5e95139e0f34b1f8e88fe8c677b8. Change-Id: I1c91b0a97031df33c2261089f6b54ccd3270306b Reviewed-on: https://chromium-review.googlesource.com/250430 Reviewed-by: Jamie Madill <jmadill@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>