close #2799 Fixed: Company delete can not delete sub categories

app/Observers/Category.php

@@ -1,26 +0,0 @@
-<?php
-
-namespace App\Observers;
-
-use App\Abstracts\Observer;
-use App\Jobs\Setting\DeleteCategory;
-use App\Models\Setting\Category as Model;
-use App\Traits\Jobs;
-
-class Category extends Observer
-{
-    use Jobs;
-
-    /**
-     * Listen to the deleted event.
-     *
-     * @param  Model  $category
-     * @return void
-     */
-    public function deleting(Model $category)
-    {
-        foreach ($category->sub_categories as $sub_category) {
-            $this->dispatch(new DeleteCategory($sub_category));
-        }
-    }
-}