Remove semicolon

Co-authored-by: Christophe Coevoet <[email protected]>

Author: welcoMattic

Diff for: routing.rst

@@ -1437,7 +1437,7 @@ you decided not to maintain it anymore), you can deprecate its definition:
         $routes->add('some_route_name', '/some_route_path')
                 ->controller('App\Controller\SomeController::index');
         // second argument refers to the name of the route declared above
-        $routes->alias('alias_to_some_route_name', 'some_route_name');
+        $routes->alias('alias_to_some_route_name', 'some_route_name')
             // this outputs the following generic deprecation message:
             // Since acme/package 1.2: The "alias_to_some_route_name" route alias is deprecated. You should stop using it, as it will be removed in the future.
             ->deprecate('acme/package', '1.2', '')