refactor(catalog): remove unused featured group admin API

app/Domains/Catalog/Requests/AdminApp/UpsertOnTicketFeaturedGroupRequest.php

@@ -1,22 +0,0 @@
-<?php
-
-namespace App\Domains\Catalog\Requests\AdminApp;
-
-use Illuminate\Foundation\Http\FormRequest;
-
-class UpsertOnTicketFeaturedGroupRequest extends FormRequest
-{
-    public function authorize(): bool
-    {
-        return true;
-    }
-
-    /** @return array<string, mixed> */
-    public function rules(): array
-    {
-        return [
-            'category_name' => ['required', 'string', 'max:255'],
-            'is_featured' => ['required', 'boolean'],
-        ];
-    }
-}