e3f257c4ee
Removes support for parsing and serializing a=ssrc:1 mslabel:stream a=ssrc:1 label:track which have been superceeded by a=ssrc:1 msid:stream track a long time ago. Bug: webrtc:7110 Change-Id: I3aca47728098b6e7e049b82ed34c59426d411c41 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/168244 Commit-Queue: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Kári Helgason <kthelgason@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30801}