remove unused lines

threejs/threejs-background-cubemap.html

@@ -86,8 +86,6 @@ function main() {
       'resources/images/cubemaps/computer-history-museum/pos-z.jpg',
       'resources/images/cubemaps/computer-history-museum/neg-z.jpg',
     ]);
-//    texture.format = THREE.RGBFormat;
-//    texture.mapping = THREE.CubeReflectionMapping;
 
     const shader = THREE.ShaderLib.cube;
 		const material = new THREE.ShaderMaterial({