[crud] clean and add documentation

CRUD/Routing/CRUDRoutesLoader.php

@@ -37,17 +37,6 @@ class CRUDRoutesLoader
         $this->config = $config;
     }
     
-    protected function addDummyConfig()
-    {
-        $this->config[] = [
-            'name'  => 'country',
-            'actions' => ['index'],//, 'new', 'edit', 'delete'],
-            'base_path' => '/admin/country',
-            'controller' => \Chill\MainBundle\Controller\AdminCountryCRUDController::class
-        ];
-    }
-
-    
     public function load()
     {
         $collection = new RouteCollection();