The condition would always evaluate to true, since we define ANGLE_DEFAULT_D3D11 as zero.

This reverts commit 10f05630.

Change-Id: I39304398be149d09a8f65a6cf44400b3672ed730
Reviewed-on: https://chromium-review.googlesource.com/214715Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>