There's no trace of it being in use, so let's remove it. Bug: webrtc:12497 Change-Id: I9e81ef58b459b5a0b9f79b6638231a3a19eb8a0e Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/322180 Commit-Queue: Jonas Oreland <jonaso@webrtc.org> Reviewed-by: Jonas Oreland <jonaso@webrtc.org> Auto-Submit: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#40855}