Stop prepending removed CmfTreeBrowser configuration

Author: wouterj

src/DependencyInjection/CmfCoreExtension.php

@@ -178,16 +178,6 @@ public function prepend(ContainerBuilder $container)
                             ],
                         ];
 
-                        break;
-                    case 'cmf_tree_browser':
-                        $prependConfig = [
-                            'persistence' => [
-                                'phpcr' => [
-                                    'enabled' => $persistenceConfig['enabled'],
-                                ],
-                            ],
-                        ];
-
                         break;
                     case 'cmf_seo':
                         $prependConfig = [