GL: Remove old NVIDIA workaround. This affects drivers from ~ early 2017. These drivers should be fairly rare by now. Bug: angleproject:2059 Change-Id: I0d086ee00a0cc0c38ffdbf2294341fe832f80fd7 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3206070 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>