Updated composer.json to remove unused Symfony packages, modified messenger.yaml to change transport DSN to 'sync://', and updated search.html.twig placeholder text for improved clarity.

config/packages/messenger.yaml

@@ -5,7 +5,8 @@ framework:
         transports:
             # https://symfony.com/doc/current/messenger.html#transport-configuration
             async:
-                dsn: '%env(MESSENGER_TRANSPORT_DSN)%'
+                #dsn: '%env(MESSENGER_TRANSPORT_DSN)%'
+                dsn: 'sync://' # meh
                 options:
                     use_notify: true
                     check_delayed_interval: 60000