Reasons: 1) It is not used by `PeerConnection` (only in tests) 2) We have no plans on using it 3) The code is functionally untouched since many years Bug: b/249972434 Change-Id: I1d30edd34231f25d86e8495ff71f1786ba2b0a1c Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/277445 Commit-Queue: Rasmus Brandt <brandtr@webrtc.org> Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/main@{#38260}