Causing gyp generation failures on FYI bots:
https://build.chromium.org/p/chromium.gpu.fyi/builders/GPU%20Win%20Builder/builds/30490

This reverts commit af98f24a.

Change-Id: I0b3ea26ee02591588bda14676211658b42135cf2
Reviewed-on: https://chromium-review.googlesource.com/284910Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>