These configurations are no longer used by call. Header extensions are identified once when demuxing packets in WebrtcVideoEngine::OnPacketReceived and WebrtcVoiceEngine::OnPacketReceived. Change-Id: I49de9005f0aa9ab32f2c5d3abcdd8bd12343022d Bug: webrtc:7135 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/291480 Owners-Override: Per Kjellander <perkj@webrtc.org> Commit-Queue: Per Kjellander <perkj@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Reviewed-by: Henrik Boström <hbos@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39236}