Revert "Add scheduler"

This reverts commit f00cd8d.

Author: joetannenbaum

config/app.php

@@ -15,8 +15,6 @@
 
     'name' => env('APP_NAME', 'Laravel'),
 
-    'heartbeat_url' => env('HEARTBEAT_URL'),
-
     /*
     |--------------------------------------------------------------------------
     | Application Environment

routes/console.php

@@ -2,10 +2,7 @@
 
 use Illuminate\Foundation\Inspiring;
 use Illuminate\Support\Facades\Artisan;
-use Illuminate\Support\Facades\Schedule;
 
 Artisan::command('inspire', function () {
     $this->comment(Inspiring::quote());
 })->purpose('Display an inspiring quote');
-
-Schedule::command('inspire')->everyMinute()->thenPing(config('app.heartbeat_url'));