reverted unintended changes

lib/routes/admin.js

@@ -5,7 +5,6 @@ module.exports = function(crowi, app) {
     , fs = require('fs')
     , models = crowi.models
     , Page = models.Page
-    , GlobalNotification = models.GlobalNotification
     , PageGroupRelation = models.PageGroupRelation
     , User = models.User
     , ExternalAccount = models.ExternalAccount
@@ -1131,6 +1130,7 @@ module.exports = function(crowi, app) {
     }, callback);
   }
 
+
   return actions;
 };