[11.x] Simplify PHP comments (#6316)

* Simplifies comments

* Apply fixes from StyleCI

* Removes non used line

* remove some comments

---------

Co-authored-by: StyleCI Bot <bot@styleci.io>
Co-authored-by: Taylor Otwell <taylor@laravel.com>

routes/web.php

@@ -2,17 +2,6 @@
 
 use Illuminate\Support\Facades\Route;
 
-/*
-|--------------------------------------------------------------------------
-| Web Routes
-|--------------------------------------------------------------------------
-|
-| Here is where you can register web routes for your application. These
-| routes are loaded within the "web" middleware group which includes
-| sessions, cookie encryption, and more. Go build something great!
-|
-*/
-
 Route::get('/', function () {
     return view('welcome');
 });