Revert of [es6] Bound function names

src/v8natives.js

Index: src/v8natives.js
diff --git a/src/v8natives.js b/src/v8natives.js
index b002be3461852c65df3962e01354134d75b35f12..0cc50786f96fb2f5205696d22ef48eee888322f4 100644
--- a/src/v8natives.js
+++ b/src/v8natives.js
@@ -21,7 +21,6 @@
 var GlobalNumber = global.Number;
 var GlobalObject = global.Object;
 var InternalArray = utils.InternalArray;
-var SetFunctionName = utils.SetFunctionName;
 
 var MathAbs;
 var ProxyDelegateCallAndConstruct;
@@ -1765,10 +1764,6 @@
   var result = %FunctionBindArguments(boundFunction, this,
                                       this_arg, new_length);
 
-  var name = this.name;
-  var bound_name = IS_STRING(name) ? name : "";
-  SetFunctionName(result, bound_name, "bound");
-
   // We already have caller and arguments properties on functions,
   // which are non-configurable. It therefore makes no sence to
   // try to redefine these as defined by the spec. The spec says