webgl_shadowmap_pointlight example no longer needs shadowDarkness.

examples/webgl_shadowmap_pointlight.html

@@ -75,7 +75,6 @@
 					pointLight.shadowMapWidth = 2048;
 					pointLight.shadowMapHeight = 1024;
 					pointLight.shadowBias = 0.01;
-					pointLight.shadowDarkness = 0.5;
 
 					var geometry = new THREE.SphereGeometry( 0.3, 32, 32 );
 					var material = new THREE.MeshBasicMaterial( { color: color } );