Fixed falsely migrated code section

When adding eager loaded relations to the default resource this code would cause errors in certain scenarios.

Author: matthenning

src/Matthenning/EloquentApiFilter/Resource.php

@@ -37,11 +37,7 @@ public function enrich($data): array
     {
         foreach ($this->getRelationNames() as $relation=>$relationClass) {
             if ($this->resource->relationLoaded($relation)) {
-                if (isset(($this->resource->$relation)::$resourceName) && ($this->resource->$relation)::$resourceName != null) {
-                    $data[$relation] = new (($this->resource->$relation)::$resourceName)($this->resource->$relation);
-                } else {
-                    $data[$relation] = $this->resource->$relation;
-                }
+                $data[$relation] = $this->resource->$relation;
             }
         }