Remove call to RtpRtcp::RegisterSendPayload for the default RTP module.

The send payload type is only checked in RTPSender::CheckPayloadType,
which in turn is only called from SendOutgoingData and never from the
default module anylonger.

BUG=769
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/39949004

Cr-Original-Commit-Position: refs/heads/master@{#8357}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 2bd299a1720e93913d3e1cd5f3da81100c010d82
2 files changed