Don't use postcompose in geojson example

examples/geojson.js

@@ -2,8 +2,6 @@ goog.require('ol.Feature');
 goog.require('ol.Map');
 goog.require('ol.RendererHint');
 goog.require('ol.View2D');
-goog.require('ol.geom.LineString');
-goog.require('ol.geom.Point');
 goog.require('ol.layer.Tile');
 goog.require('ol.layer.Vector');
 goog.require('ol.shape');
@@ -131,29 +129,6 @@ var vectorLayer = new ol.layer.Vector({
   source: vectorSource,
   styleFunction: styleFunction
 });
-var tmpLineFeature = new ol.Feature(
-    new ol.geom.LineString([[-5e6, -5e6], [5e6, -5e6]]));
-var tmpPointFeature = new ol.Feature(
-    new ol.geom.Point([0, 3e6]));
-var tmpStyle = new ol.style.Style({
-  stroke: new ol.style.Stroke({
-    color: 'magenta',
-    lineCap: 'round',
-    width: 5
-  }),
-  image: ol.shape.renderCircle(5,
-      new ol.style.Fill({
-        color: 'green'
-      }),
-      new ol.style.Stroke({
-        color: 'blue'
-      }))
-});
-vectorLayer.on('postcompose', function(event) {
-  var render = event.getRender();
-  render.drawFeature(tmpLineFeature, tmpStyle);
-  render.drawFeature(tmpPointFeature, tmpStyle);
-});
 
 var map = new ol.Map({
   layers: [