Examples: Remove FaceNormalsHelper use.

examples/webgl_helpers.html

@@ -71,10 +71,6 @@
 
 					group.add( mesh );
 
-					// TODO: Implement BufferGeometry support in FaceNormalsHelper.
-					// fnh = new THREE.FaceNormalsHelper( mesh, 5 );
-					// scene.add( fnh );
-
 					vnh = new THREE.VertexNormalsHelper( mesh, 5 );
 					scene.add( vnh );