Apply fixes from StyleCI

Author: StyleCIBot

packages/framework/src/Framework/Features/Navigation/NavigationGroup.php

@@ -7,7 +7,6 @@
 use Illuminate\Support\Str;
 use Illuminate\Support\Arr;
 use Hyde\Pages\DocumentationPage;
-use Hyde\Support\Models\ExternalRoute;
 
 use function min;
 use function collect;