remove unused variables

examples/webgl_nearestneighbour.html

@@ -72,11 +72,8 @@
 		<script>
 
 			var camera, scene, renderer;
-			var geometry, mesh;
 			var controls;
 
-			var objects = [];
-
 			var amountOfParticles = 500000, maxDistance = Math.pow( 120, 2 );
 			var positions, alphas, particles, _particleGeom;