Clean up.

examples/files.js

@@ -277,9 +277,11 @@ var files = {
 	"webgl deferred": [
 		"webgldeferred_animation"
 	],
-	//"webgl2": [
-		//"webgl2_sandbox"
-	//],
+	/*
+	"webgl2": [
+		"webgl2_sandbox"
+	],
+	*/
 	"webvr": [
 		"webvr_cubes",
 		"webvr_daydream",