removed commented code

lib/mappers/CesiumMapper.js

@@ -37,10 +37,7 @@ define([
           });
 
           all([featuresPromise, geometryPromise]).then((payloads) => {
-            // let primitive = this.process(data, payloads);
             let instances = this.process(data, payloads);
-
-            // resolve(primitive);
             resolve(instances);
           });