Some obsolete WebRTC stats have been removed from the spec. We should remove them in WebKit.
See https://github.com/w3c/webrtc-stats/commit/76a324cf028a1bd4adebcbfa7899aa99fbb93d1a
<rdar://problem/109206360>
Let's remove WebRTC RTCMediaStreamTrackStats in https://bugs.webkit.org/show_bug.cgi?id=256690
Pull request: https://github.com/WebKit/WebKit/pull/13798
Committed 264013@main (bc18af2122ed): <https://commits.webkit.org/264013@main> Reviewed commits have been landed. Closing PR #13798 and removing active labels.