nisse 25d0bdc1bc Delete support for receiving RTCP RPSI and SLI message.
This code has been unused for years, and at least the RTCP RSPI sending
logic appears broken.

This cl is part 3, following

  https://codereview.webrtc.org/2746413003 (delete sending)
  https://codereview.webrtc.org/2753783002 (delete vp8 feedback mode)

BUG=webrtc:7338

Review-Url: https://codereview.webrtc.org/2742383004
Cr-Commit-Position: refs/heads/master@{#17342}
2017-03-22 14:15:09 +00:00
..
2017-03-08 10:12:11 +00:00