chore(platform): remove legacy-era mail, pdf and storage sources

app/Platform/Storage/Http/Resources/FileDiskResource.php

@@ -1,27 +0,0 @@
-<?php
-
-namespace App\Platform\Storage\Http\Resources;
-
-use Illuminate\Http\Request;
-use Illuminate\Http\Resources\Json\JsonResource;
-
-class FileDiskResource extends JsonResource
-{
-    /**
-     * Transform the resource into an array.
-     *
-     * @param  Request  $request
-     */
-    public function toArray($request): array
-    {
-        return [
-            'id' => $this->id,
-            'name' => $this->name,
-            'type' => $this->type,
-            'driver' => $this->driver,
-            'set_as_default' => $this->set_as_default,
-            'credentials' => $this->credentials,
-            'company_id' => $this->company_id,
-        ];
-    }
-}