ObjectLoader: Clean up.

src/loaders/ObjectLoader.js

@@ -976,7 +976,7 @@ class ObjectLoader extends Loader {
 
 			case 'Line':
 
-				object = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );
+				object = new Line( getGeometry( data.geometry ), getMaterial( data.material ) );
 
 				break;