edge: remove iceTransportPolicy none
edge: remove iceTransportPolicy none

no longer in http://w3c.github.io/webrtc-pc/#rtcicetransportpolicy-enum

webrtc/adapter,Acidburn0zzz/adapter,xdumaine/adapter,webrtc/adapter,jan-ivar/adapter,xdumaine/adapter,Acidburn0zzz/adapter,Acidburn0zzz/adapter,jan-ivar/adapter