Remove obsolete translation files for nodac

There were folders for Portugese, Polish  and Italian translations,
which were never done

nodac/id/languser.json

@@ -1,7 +1,7 @@
 {
     "languser": {
         "active": "The language of your choice is actually",
-        "choice": "If you like to change the interface language, please take your choice",
+        "choice": "If you like to change the interface language, please choose another one",
         "user_add": "Add new user",
         "userlist": "List of all users",
         "order_by": "Order by",
@@ -16,6 +16,7 @@
         "preferred_language": "Preferred language",
         "admin": "Admin",
         "groupadmin": "Group admin",
-        "editor": "Editor"
+        "editor": "Editor",
+        "switch_language": "Switch language"
     }
 }