Remove all the deprecated API related files and references

docs/api.rst

@@ -1,8 +0,0 @@
-Ticket API
-==========
-
-*Warning*: The django-helpdesk API is deprecated, and no longer maintained. See https://github.com/django-helpdesk/django-helpdesk/issues/198 for more details.
-
-The API will be removed in January 2016 - you should instead build an integration with eg django-rest-framework.
-
-For details on the current API including usage instructions and command syntax, see the file ``templates/helpdesk/api_help.html``, or visit http://helpdesk/api/help/.

docs/index.rst

@@ -16,7 +16,6 @@ Contents
    settings
    spam
    custom_fields
-   api
    contributing
 
 
@@ -49,7 +48,7 @@ Customers (who are not 'staff' users in Django) can:
 3. Review open and closed requests they submitted
 
 Staff Capabilities
-~~~~~~~~~~~~~~~~~~~~
+~~~~~~~~~~~~~~~~~~
 
 If a user is a staff member, they get general helpdesk access, including:
 

docs/settings.rst

@@ -42,7 +42,6 @@ If you want to override the default settings for your users, create ``HELPDESK_D
             'email_on_ticket_assign': True,
             'email_on_ticket_change': True,
             'login_view_ticketlist': True,
-            'email_on_ticket_apichange': True,
             'tickets_per_page': 25
             }