[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

---------

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

app/Providers/RouteServiceProvider.php

@@ -24,7 +24,9 @@ class RouteServiceProvider extends ServiceProvider
      */
     public function boot(): void
     {
-        $this->configureRateLimiting();
+        RateLimiter::for('api', function (Request $request) {
+            return Limit::perMinute(60)->by($request->user()?->id ?: $request->ip());
+        });
 
         $this->routes(function () {
             Route::middleware('api')
@@ -35,14 +37,4 @@ class RouteServiceProvider extends ServiceProvider
                 ->group(base_path('routes/web.php'));
         });
     }
-
-    /**
-     * Configure the rate limiters for the application.
-     */
-    protected function configureRateLimiting(): void
-    {
-        RateLimiter::for('api', function (Request $request) {
-            return Limit::perMinute(60)->by($request->user()?->id ?: $request->ip());
-        });
-    }
 }