Remove renderer from GLTFExporter example

examples/misc_exporter_gltf.html

@@ -39,7 +39,7 @@
 
 			function exportGLTF( input ) {
 
-				var gltfExporter = new THREE.GLTFExporter( renderer );
+				var gltfExporter = new THREE.GLTFExporter();
 
 				gltfExporter.parse( input, function( result ) {