Minor - removing white spaces

main/inc/lib/urlmanager.lib.php

@@ -650,12 +650,12 @@ class UrlManager
         $result             = Database::query($sql);
         $existing_users     = array();
 
-        //Getting all users
+        // Getting all users
         while ($row = Database::fetch_array($result)) {
             $existing_users[] = $row['user_id'];
         }
 
-        //Adding users
+        // Adding users
         $users_added = array();
         foreach ($user_list as $user_id_to_add) {
             if (!in_array($user_id_to_add, $existing_users)) {

main/inc/routes.php

@@ -433,7 +433,6 @@ $app->match('/main/{file}', 'legacy.controller:classicAction', 'GET|POST')
     ->assert('file', '.+')
     ->assert('type', '.+');
 
-
 /** Login form */
 $app->match('/login', 'index.controller:loginAction', 'GET|POST')
     ->bind('login');

src/ChamiloLMS/Controller/Admin/AdminController.php

@@ -216,7 +216,6 @@ class AdminController extends CommonController
         $blocks['sessions']['items'] = $items;
         $blocks['sessions']['extra'] = null;
 
-
         /* Settings */
         if (api_is_platform_admin()) {