Revert some changes to how languages are loaded and remove iso.py

nw/constants/__init__.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-from nw.constants.iso import isoLanguage, isoCountry
 from nw.constants.constants import (
     nwConst, nwLists, nwRegEx, nwFiles, nwKeyWords, nwLabels, nwQuotes,
     nwUnicode, nwHtmlUnicode
@@ -10,8 +9,6 @@ from nw.constants.enum import (
 )
 
 __all__ = [
-    "isoCountry",
-    "isoLanguage",
     "nwConst",
     "nwLists",
     "nwRegEx",