fix: fixup previous commit

src/i18n/messages/currentlySupportedLangs.jsx

@@ -1,16 +1,28 @@
-// This file is generated by the "i18n/scripts/generateSupportedLangs.js" script.
 import arData from 'react-intl/locale-data/ar';
-import './ar.json';
+import enData from 'react-intl/locale-data/en';
 import esData from 'react-intl/locale-data/es';
-import './es_419.json';
 import frData from 'react-intl/locale-data/fr';
-import './fr.json';
 import zhData from 'react-intl/locale-data/zh';
+
+import './ar.json';
+import './es_419.json';
+import './fr.json';
 import './zh_CN.json';
 
-export default {
+// Methodology: These languages (plus the default english) are the only ones that appear on edx.org
+// This was determined by inspecting the 'released_languages' method in the following file:
+//    https://github.com/openedx/edx-platform/blob/master/openedx/core/djangoapps/lang_pref/api.py
+//
+// Further, I hit the read replica in order to confirm the live values, which are currently:
+//    en, fr, zh-cn, es-419, ar
+// If these values change, please also update the pull_translations command in Makefile
+
+const localeDataMap = {
   'ar': arData,
+  'en': enData,
   'es-419': esData,
   'fr': frData,
   'zh-cn': zhData,
 };
+
+export default localeDataMap;