The field is unused and the way it's currently laid out in the code,
it maps to a state in the RtpSenderEgress class - which in turn puts
unnecessary threading restrictions on that class.
Bug: webrtc:11581
Change-Id: I41a4740c3277317f33f8e815d8c12c70b355c1db
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/177426
Commit-Queue: Tommi <tommi@webrtc.org>
Reviewed-by: Magnus Flodman <mflodman@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31577}
d21f7ab174