Appears not used anymore. Bug: none Change-Id: Ic2238e6ad3d9917208bdb4a101f1ce254b1272ac Reviewed-on: https://webrtc-review.googlesource.com/c/120963 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26578}