src: forget setting RTP/RTCP sources for now
src: forget setting RTP/RTCP sources for now

pjsip somehow manages to fail an assertion in getMedTransportInfo
despite the call media being active. :-(

mscdex/sipster,wolf-is/sipster,flow180/sipster,wolf-is/sipster,flow180/sipster,flow180/sipster,wolf-is/sipster,mscdex/sipster,mscdex/sipster