Remove utf 8 references

lib/dataconnection.js

@@ -5,7 +5,6 @@ function DataConnection(peer, provider, options) {
   if (!(this instanceof DataConnection)) return new DataConnection(peer, provider, options);
   EventEmitter.call(this);
 
-  // TODO: perhaps default serialization should be binary-utf8?
   this.options = util.extend({
     serialization: 'binary',
     reliable: false
@@ -159,9 +158,8 @@ DataConnection.prototype.send = function(data, chunked) {
   var self = this;
   if (this.serialization === 'json') {
     this._bufferedSend(JSON.stringify(data));
-  } else if ('binary-utf8'.indexOf(this.serialization) !== -1) {
-    var utf8 = (this.serialization === 'binary-utf8');
-    var blob = util.pack(data, utf8);
+  } else if (this.serialization === 'binary' || this.serialization === 'binary-utf8') {
+    var blob = util.pack(data);
 
     if (util.browser !== 'Firefox' && !chunked && blob.size > util.chunkedMTU) {
       this._sendChunks(blob);