Remove keyword args from call to create service

The cache decorator doesn’t work with functions that use keyword
arguments (at the moment).

app/main/views/add_service.py

@@ -29,12 +29,12 @@ def _create_service(service_name, organisation_type, email_from, form):
     free_sms_fragment_limit = current_app.config['DEFAULT_FREE_SMS_FRAGMENT_LIMITS'].get(organisation_type)
     try:
         service_id = service_api_client.create_service(
-            service_name=service_name,
-            organisation_type=organisation_type,
-            message_limit=current_app.config['DEFAULT_SERVICE_LIMIT'],
-            restricted=True,
-            user_id=session['user_id'],
-            email_from=email_from,
+            service_name,
+            organisation_type,
+            current_app.config['DEFAULT_SERVICE_LIMIT'],
+            True,
+            session['user_id'],
+            email_from,
         )
         session['service_id'] = service_id