Cloth example minor tweak.

examples/webgl_animation_cloth.html

@@ -186,7 +186,6 @@
 
 				var clothMaterial = new THREE.MeshPhongMaterial( {
 					specular: 0x030303,
-					emissive: 0x111111,
 					map: clothTexture,
 					side: THREE.DoubleSide,
 					alphaTest: 0.5