Editor: Removed CSS2Renderer dependency.

editor/sw.js

@@ -62,8 +62,6 @@ const assets = [
 
 	'../examples/jsm/geometries/TeapotBufferGeometry.js',
 
-	'../examples/jsm/renderers/CSS2DRenderer.js', // 3DMLoader dependency
-
 	'../examples/jsm/webxr/VRButton.js',
 
 	'./images/rotate.svg',