Clean up.

examples/webvr_sandbox.html

@@ -23,14 +23,6 @@
 
 		<script>
 
-			WEBVR.checkAvailability().catch( function( message ) {
-
-				document.body.appendChild( WEBVR.getMessageContainer( message ) );
-
-			} );
-
-			//
-
 			var camera, scene, renderer;
 
 			var reflector;