reorganize and cleanup php server code

server/app/Http/Requests/Role/RemoveRoleRequest.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Vanguard\Http\Requests\Role;
+
+use Vanguard\Http\Requests\Request;
+
+class RemoveRoleRequest extends Request
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     *
+     * @return bool
+     */
+    public function authorize()
+    {
+        return $this->route('role')->removable;
+    }
+
+    public function rules()
+    {
+        return [];
+    }
+}