Remove unnecessary condition for nouveau driver blacklisting

It looks like nouveau driver changed their GL_RENDERER string and avoided being
blacklisted by Chrome.

BUG=959766
TEST=bots
R=piman@chromium.org

Change-Id: I118f3796f101ed26517c9e360370a7176d55de21
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1625817
Reviewed-by: Antoine Labour <piman@chromium.org>
Commit-Queue: Zhenyao Mo <zmo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#663965}
1 file changed