Remove log for received data.

Signaling messages may contain IP addresses, OS versions. Disable it to prevent
leakage of privacy information.

Author: jianjunz

peerserver.js

@@ -122,7 +122,6 @@ function onConnection(socket){
   for (var i=0;i<forwardEvents.length;i++){
     socket.on(forwardEvents[i],(function(i){
       return function(data, ackCallback){
-        console.log('Received '+forwardEvents[i]+': '+JSON.stringify(data));
         data.from=socket.user.id;
         var to=data.to;
         delete data.to;