It's not clear why the availability check doesn't work,
but the plain old macro works just fine, so we can get rid of
the suppression of another compiler warning.
Fixed: webrtc:10837
Change-Id: I4f5bcba794a0e34103e581c3e6495c9542e07342
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/228701
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#34819}
9e0abe5090