[10.x] Minor skeleton slimming (#6159)

* remove rate limiter from route provider by default

* remove policy place holder

* remove broadcast skeleton in favor of new provider in core

* use default provider collection

* Remove unnecessary properties from exception handler.

* add back broadcast provider

* update comment

* add rate limiting

* Apply fixes from StyleCI

* fix formatting

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Co-authored-by: StyleCI Bot <bot@styleci.io>

app/Providers/AuthServiceProvider.php

@@ -13,7 +13,7 @@ class AuthServiceProvider extends ServiceProvider
      * @var array<class-string, class-string>
      */
     protected $policies = [
-        // 'App\Models\Model' => 'App\Policies\ModelPolicy',
+        //
     ];
 
     /**