remove obsolete section on reminders

deploy/DEPLOYMENT.md

@@ -134,26 +134,6 @@ sudo systemctl restart gunicorn
 sudo systemctl restart celery_worker
 sudo systemctl restart celery_beat
 ```
-
-## Setting up reminders
-
-DAISY can generate reminders on approaching deadlines (e.g. data storage end date or document expiry). To enable this feature, do the following:
-
- 1) Login to DAISY as a super user. e.g. `admin` user in the demo application
-
- 2) Go to https://${IP_OF_THE_SERVER}/admin
-
- 3) From the 'Site administration' list select 'Periodic tasks' under 'PERIODIC TASKS' heading.
-
- 4) Clicking the 'ADD PERIODIC TASK' button, then:
-    4.1) Give your task a name, 
-    4.2) From the 'Task(registered)' list select `notification.tasks.document_expiry_notifications`,
-    4.3) From the 'Interval' list select `every day`. If this interval does not exist, you may create it by clicking the (+) button next to the select,.
-    4.4) Select a start date and time, e.g. today and now,
-    4.5) Click 'SAVE'.
-
- 5) You may repeat the steps in (4) to create a daily periodic task also for `notification.tasks.data_storage_expiry_notifications`,
-
 ## Updating DAISY
 
 If you want to move to the newest release of DAISY, do the following.  
@@ -296,8 +276,6 @@ systemctl start celery_beat
 
 The migration introduced breaking change and update of `settings.py` file is required. The new scheduled tasks as defined in [settings_template.py](https://github.com/elixir-luxembourg/daisy/blob/de64e17355700dc029133f48a295be82341486ed/elixir_daisy/settings_local.template.py#L91) must be included to fully support new features.
 
-For enabling the new notification feature, see section [above](#setting-up-reminders) on how to set up reminders.
-
 Update of nodejs is required:
 
 ```bash