Update documentaiton about Redis transport

Author: alexander-schranz

messenger.rst

@@ -205,9 +205,7 @@ Amqp
 .. code-block:: bash
 
     # .env
-    ###> symfony/messenger ###
     MESSENGER_TRANSPORT_DSN=amqp://guest:guest@localhost:5672/%2f/messages
-    ###< symfony/messenger ###
 
 This is enough to allow you to route your message to the ``amqp`` transport.
 
@@ -223,26 +221,22 @@ This is enough to allow you to route your message to the ``amqp`` transport.
 Redis
 ~~~~~
 
-The redis transport will use the redis streams to queue messages.
+The Redis transport will use `streams`_ to queue messages.
 
 .. code-block:: bash
 
     # .env
-    ###> symfony/messenger ###
     MESSENGER_TRANSPORT_DSN=redis://localhost:6379/messages
-    ###< symfony/messenger ###
 
-This is enough to allow you to route your message to the ``redis`` transport.
+This is enough to allow you to route your message to the Redis transport.
 
 If you have multiple systems to receive the same messages you could use different groups
 to achieve this:
 
 .. code-block:: bash
 
     # .env
-    ###> symfony/messenger ###
     MESSENGER_TRANSPORT_DSN=redis://localhost:6379/messages/group1/consumer1
-    ###< symfony/messenger ###
 
 .. note::
 
@@ -874,3 +868,4 @@ Learn more
     /messenger/*
 
 .. _`enqueue's transport`: https://github.com/php-enqueue/messenger-adapter
+.. _`streams`: https://redis.io/topics/streams-intro