Simplify the simple example

examples/simple.js

@@ -1,6 +1,5 @@
 goog.require('ol.Map');
 goog.require('ol.View');
-goog.require('ol.control');
 goog.require('ol.layer.Tile');
 goog.require('ol.source.OSM');
 
@@ -11,12 +10,6 @@ var map = new ol.Map({
       source: new ol.source.OSM()
     })
   ],
-  controls: ol.control.defaults({
-    attributionOptions: /** @type {olx.control.AttributionOptions} */ ({
-      collapsible: false
-    })
-  }),
-  renderer: common.getRendererFromQueryString(),
   target: 'map',
   view: new ol.View({
     center: [0, 0],