This reverts commit 5f662c00.

Reason for revert: Some recent crashes related to streams, could be
related to this change.
https://bugs.chromium.org/p/chromium/issues/detail?id=932359

Original change's description:
> Fix unit test for setting locale creating malformed HLSL shader code
> Fix malformed HLSL shader code in other locales than classic
>
> Bug: angleproject:1433
> Change-Id: I30bad0bd0cfda465ec7200e48e12800d7d8efd26
> Reviewed-on: https://chromium-review.googlesource.com/c/1447862
> Reviewed-by: Geoff Lang <geofflang@chromium.org>
> Reviewed-by: Jamie Madill <jmadill@chromium.org>
> Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>

TBR=geofflang@chromium.org,jmadill@chromium.org,jonahr@google.com

Bug: angleproject:1433
Change-Id: I28caa073b3996a95f3f233bed9dc91dc44263835
Reviewed-on: https://chromium-review.googlesource.com/c/1474624Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>