Removed unneeded code from Kinect example.

examples/webgl_kinect.html

@@ -217,8 +217,6 @@
 				container.appendChild( renderer.domElement );
 
 				mouse = new THREE.Vector3( 0, 0, 1 );
-				projector = new THREE.Projector();
-				ray = new THREE.Ray( camera.position );
 
 				document.addEventListener( 'mousemove', onDocumentMouseMove, false );