fix circular dependency

Author: sergeyt

src/routes.js

@@ -1,5 +1,4 @@
 import React from 'react';
-import DefaultLayout from './containers/DefaultLayout';
 
 const Breadcrumbs = React.lazy(() => import('./views/Base/Breadcrumbs'));
 const Cards = React.lazy(() => import('./views/Base/Cards'));
@@ -39,7 +38,6 @@ const User = React.lazy(() => import('./views/Users/User'));
 
 // https://github.com/ReactTraining/react-router/tree/master/packages/react-router-config
 const routes = [
-  { path: '/', exact: true, name: 'Home', component: DefaultLayout },
   { path: '/dashboard', name: 'Dashboard', component: Dashboard },
   { path: '/theme', exact: true, name: 'Theme', component: Colors },
   { path: '/theme/colors', name: 'Colors', component: Colors },