Examples: Clean up.

examples/webvr_multiview.html

@@ -31,10 +31,7 @@
 			var room;
 			var stats;
 
-			var count = 0;
 			var radius = 0.02;
-			var normal = new THREE.Vector3();
-			var relativeVelocity = new THREE.Vector3();
 
 			var clock = new THREE.Clock();