update: fix payment update

app/Http/Requests/Admin/PaymentSave.php

@@ -1,31 +0,0 @@
-<?php
-
-namespace App\Http\Requests\Admin;
-
-use Illuminate\Foundation\Http\FormRequest;
-
-class PaymentSave extends FormRequest
-{
-    /**
-     * Get the validation rules that apply to the request.
-     *
-     * @return array
-     */
-    public function rules()
-    {
-        return [
-            'name' => 'required',
-            'payment' => 'required',
-            'config' => 'required'
-        ];
-    }
-
-    public function messages()
-    {
-        return [
-            'name.required' => '显示名称不能为空',
-            'payment.required' => '网关参数不能为空',
-            'config.required' => '配置参数不能为空'
-        ];
-    }
-}