Revert "Test changing default Windows compiler to VS2017"

This reverts commit 95ebf5a518b2cc7f96046d605057be87ab0e5682.

Reason for revert: Testing is done - VS 2017 canary should appear?

Original change's description:
> Test changing default Windows compiler to VS2017
> 
> Doing another VS2017 test over the week end now with the newly packaged
> VS 2017 Update 3 Preview 4 (was Preview 2 last time).
> 
> This CL is currently purely for testing purposes and will be reverted by
> the end of the weekend.
> 
> R=‚Äčdpranke@chromium.org
> BUG=683729
> 
> Change-Id: Ie5c2e92b789b1dcbd51d4e0028230b5b72ce9eb9
> Reviewed-on: https://chromium-review.googlesource.com/572500
> Reviewed-by: Dirk Pranke <dpranke@chromium.org>
> Commit-Queue: Bruce Dawson <brucedawson@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#486999}

TBR=dpranke@chromium.org,brucedawson@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 683729
Change-Id: I65044b790dd7415e380381a47d204a838c7bd837
Reviewed-on: https://chromium-review.googlesource.com/573623
Reviewed-by: Bruce Dawson <brucedawson@chromium.org>
Commit-Queue: Bruce Dawson <brucedawson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#487111}
1 file changed