This removes the routing for the deprecated audio control setting Bug: none Change-Id: If7a134ee487b80a653ba982768ba74ce2d539e0a Reviewed-on: https://webrtc-review.googlesource.com/58941 Reviewed-by: Henrik Andreassson <henrika@webrtc.org> Reviewed-by: Per Åhgren <peah@webrtc.org> Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Commit-Queue: Sam Zackrisson <saza@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22288}