Refactor SettingsController for readability (#308)

* Refactor SettingsController
* Fix issues with account deletion

app/Http/Requests/SettingsRequest.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class SettingsRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     *
+     * @return bool
+     */
+    public function authorize()
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'email' => 'required|email|max:2083',
+            'timezone' => '',
+            'layout' => '',
+            'locale' => '',
+            'currency_id' => '',
+        ];
+    }
+}