Clean up.

mrdoob · mrdoob · commit 21ec1679ddf6 · 2016-02-10T11:54:29.000+09:00
diff --git a/src/objects/Group.js b/src/objects/Group.js
@@ -11,4 +11,4 @@ THREE.Group = function () {
 };
 
 THREE.Group.prototype = Object.create( THREE.Object3D.prototype );
-THREE.Group.prototype.constructor = THREE.Group;
+THREE.Group.prototype.constructor = THREE.Group;
