Remove RiggedSimple model from glTF extension example.

examples/webgl_loader_gltf_extensions.html

@@ -495,15 +495,6 @@
 					shadows:true,
 					extensions: ['glTF', 'glTF-Embedded', 'glTF-Binary', 'glTF-Draco']
 				},
-				{
-					name : "Rigged Simple",
-					url : "./models/gltf/RiggedSimple/%s/RiggedSimple.gltf",
-					cameraPos: new THREE.Vector3(0, 5, 15),
-					objectRotation: new THREE.Euler(0, 90, 0),
-					addLights:true,
-					shadows:true,
-					extensions: ['glTF', 'glTF-Embedded', 'glTF-Binary', 'glTF-Draco']
-				},
 				{
 					name : 'Outlined Box',
 					url : './models/gltf/OutlinedBox/OutlinedBox.gltf',