Remove Set/Get sending status from the default RTP module.

This is now taken care of by the payload router and the calls to set_active.

BUG=769
R=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/42379004

Cr-Commit-Position: refs/heads/master@{#8427}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8427 4adac7df-926f-26a2-2b94-8c16560cd09d
4 files changed