Fix bug with placemarks in imported KML, where placemarks with no specified icon are displayed with yellow icon CesiumGS#5819

Author: josh_bernstein

CHANGES.md

@@ -1,5 +1,8 @@
 Change Log
 ==========
+### 1.38 - 2017-10-01
+* Fixed bug with placemarks in imported KML: placemarks with no specified icon would be displayed with default icon (https://github.com/AnalyticalGraphicsInc/cesium/issues/5819)
+
 ### 1.37 - 2017-09-01
 
 * Breaking changes

Source/DataSources/KmlDataSource.js

@@ -1111,10 +1111,6 @@ define([
             entity.billboard = billboard;
         }
 
-        if (!defined(billboard.image)) {
-            billboard.image = dataSource._pinBuilder.fromColor(Color.YELLOW, 64);
-        }
-
         var scale = 1.0;
         if (defined(billboard.scale)) {
             scale = billboard.scale.getValue();