Instead relies on SetSendingMediaStatus() to filter out receiving RTP
modules. This status is now set in VoiceEngine's SetSend() for senders
along with SetSendingStatus().
BUG=
R=solenberg@webrtc.org, stefan@webrtc.org
Review URL: https://codereview.webrtc.org/1705763002 .
Cr-Commit-Position: refs/heads/master@{#11768}