This removes the field trial WebRTC-Pacer-UsePrioritizedPacketQueue. Bug: webrtc:11340 Change-Id: I9a7ee64ff5ae3ad1fee6ed5d552ec681e3b4b534 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/272240 Reviewed-by: Philip Eliasson <philipel@webrtc.org> Commit-Queue: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/main@{#37852}