Update comments

lib/cartodb/controllers/map.js

@@ -193,6 +193,7 @@ MapController.prototype.create = function(req, res, prepareConfigFn) {
 };
 
 MapController.prototype.instantiateTemplate = function(req, res, prepareParamsFn) {
+    // TODO: use addOverviewsInformation as in create
     var self = this;
 
     var cdbuser = req.context.user;

lib/cartodb/models/mapconfig_overviews_adapter.js

@@ -43,7 +43,3 @@ MapConfigNamedLayersAdapter.prototype.getLayers = function(username, layers, cal
   augmentLayersQueue.awaitAll(layersAugmentQueueFinish);
 
 };
-
-// TODO: document in https://github.com/CartoDB/Windshaft/blob/master/doc/MapConfig-1.5.0.md
-// (as OPTIONAL)
-//  overviews: { table_name: { zoom_level: { table: overview_table_name } }}