MaybeWorkerThread* GetWorkerQueue() and is removed. Instead all work is expected to be done on the taskqueue used when creating the RtpTransportControllerSend. Bug: webrtc:14502 Change-Id: Iedc30efb8de7592611d6d3c5b5c6cd33c17a60c9 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/300867 Reviewed-by: Evan Shrubsole <eshr@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39872}