MC-18827: extend perfrormance test build to track customer section invalidation

Author: vzabaznov

app/code/Magento/Customer/view/frontend/web/js/customer-data.js

@@ -198,8 +198,7 @@ define([
          * Customer data initialization
          */
         init: function () {
-            var countryData,
-                privateContentVersion = 'private_content_version',
+            var privateContentVersion = 'private_content_version',
                 privateContent = $.cookieStorage.get(privateContentVersion),
                 localPrivateContent = $.localStorage.get(privateContentVersion),
                 needVersion = 'need_version',