MAGETWO-63602: Introduce report builder

Author: olysenko

app/code/Magento/Analytics/ReportXml/Config/Reader/Xml.php

@@ -19,11 +19,7 @@ class Xml extends Filesystem implements ReaderInterface
      * {@inheritdoc}
      */
     protected $_idAttributes = [
-        '/config/report' => 'name',
-        // '/config/query/entity' => 'name',
-        // '/config/query/entity/link-entity' => 'name',
-        // '/config/query/entity/link-entity' => 'name',
-
+        '/config/report' => 'name'
     ];
 
     /**