Removes console.debug

modules/connectionquality/connectionquality.js

         var newVal = 100 - data.packetLoss.total;
         var oldVal = remoteConnectionQuality[id];
         remoteConnectionQuality[id] = calculateQuality(newVal, oldVal || 100);
-        console.debug(newVal, oldVal, remoteConnectionQuality[id]);
 
         eventEmitter.emit(
             CQEvents.REMOTESTATS_UPDATED, id, remoteConnectionQuality[id],