removed scene flattening

Author: looeee

examples/js/loaders/FBXLoader.js

@@ -1636,14 +1636,6 @@
 
 		setupMorphMaterials( sceneGraph );
 
-		// if all the models where already combined in a single group, just return that
-		if ( sceneGraph.children.length === 1 && sceneGraph.children[ 0 ].isGroup ) {
-
-			sceneGraph.children[ 0 ].animations = sceneGraph.animations;
-			return sceneGraph.children[ 0 ];
-
-		}
-
 		return sceneGraph;
 
 	}