Fixed API client creation in docs

Author: korridor

docs/self-hosting/guides/docker.md

@@ -178,20 +178,7 @@ To activate this feature you need to create a OAuth client via the CLI.
 docker compose exec scheduler php artisan passport:client --personal --name="API"
 ```
 
-This command will create the client in the database and output the client ID and the client secret.
-The client ID and the client need to be added to the `laravel.env` file.
-
-```env
-PASSPORT_PERSONAL_ACCESS_CLIENT_ID="insert-id"
-PASSPORT_PERSONAL_ACCESS_CLIENT_SECRET="insert-secret"
-```
-
-After you added the client ID and the client secret to the `laravel.env` file, you need to restart the containers.
-
-```bash
-docker compose down && docker compose up -d
-```
-
+This command will create the client in the database. You only need to run this command once.
 Now users can create API tokens in the user settings.
 Read more about how you can create an API token and how to use the API [here](/user-guide/access-api).