Remove exception from CliApplication

libraries/src/Application/CliApplication.php

@@ -132,10 +132,6 @@ public function __construct(
                 ->alias(\Joomla\Session\SessionInterface::class, 'session.cli');
         }
 
-        if (!$container->has('application.active')) {
-            $container->alias('application.active', static::class);
-        }
-
         $this->input    = new \Joomla\CMS\Input\Cli();
         $this->language = Factory::getLanguage();
         $this->output   = $output ?: new Stdout();

libraries/src/Uri/Uri.php

@@ -70,9 +70,8 @@ public static function getInstance($uri = 'SERVER')
                         return static::$instances[$uri];
                     }
                 } catch (NotFoundExceptionInterface $e) {
-                    // Continue - might be a custom application who hasn't set application.active in the container
-                    // (which would be a b/c break to require within J4 - from J5 this will be compulsory with the
-                    // deprecation message below)
+                    @trigger_error('The application should have an alias \'application.active\' for the ' .
+                        'running application from Joomla 5.0.0', E_USER_DEPRECATED);
                 }
 
                 @trigger_error('The application should provide the request URI from Joomla 5.0.0', E_USER_DEPRECATED);