Fix Redis lock store documentation - remove broken named connection approach

guides/hosting/performance/lock-store.md

@@ -13,19 +13,18 @@
 ## Using Redis as a lock store
 
 As Redis can already be used for [caching](./caches), [increment store](./increment), and [session storage](./session), you can also use that Redis host as a remote lock store.
-To use Redis, first you need to create a named redis connection as described in the [Redis configuration guide](../infrastructure/redis#configuration).
-Then, you can configure the lock store to use that connection. Create a `config/packages/lock.yaml` file with the following content:
+To use Redis, configure the lock store to use a Redis DSN. Create a `config/packages/lock.yaml` file with the following content:
 
 ```yaml
 framework:
-    lock: 'shopware.redis.connection.connection_name'
+    lock: 'redis://host:port/dbindex'
 ```
 
-Alternatively, you can use the DSN directly in the configuration file, but this is not recommended as it does not allow connection reuse and not prefixing locks keys with the value of the `REDIS_PREFIX` environment variable.
+For example, to use Redis running on localhost port 6379 with database 0:
 
 ```yaml
 framework:
-    lock: 'redis://host:port'
+    lock: 'redis://127.0.0.1:6379/0'
 ```
 
 ## Other lock stores