Bug 857668: Remove this check; sockets are sometimes closed without nICEr knowing about it. r=mjf

Depends on D115829

Differential Revision: https://phabricator.services.mozilla.com/D116029

dom/media/webrtc/transport/nr_socket_prsock.cpp

@@ -1404,10 +1404,6 @@ int NrUdpSocketIpc::getaddr(nr_transport_addr* addrp) {
 
   ReentrantMonitorAutoEnter mon(monitor_);
 
-  if (state_ != NR_CONNECTED) {
-    return R_INTERNAL;
-  }
-
   return nr_transport_addr_copy(addrp, &my_addr_);
 }