test: remove root:true from test config

packages/payload/src/config/types.ts

@@ -251,10 +251,10 @@ export type Endpoint<U = User> = {
    */
   path: string
   /**
-   * @deprecated in 3.0
-   *
    * Please add "root" routes under the /api folder in the Payload Project.
    * https://nextjs.org/docs/app/api-reference/file-conventions/route
+   *
+   * @deprecated in 3.0
    */
   root?: never
 }

test/config/config.ts

@@ -80,7 +80,6 @@ export default buildConfigWithDefaults({
     {
       path: '/config',
       method: 'get',
-      root: true,
       handler: (req) => {
         return Response.json(req.payload.config)
       },