docs: drop code references to local plan files

tests/Controller/Admin/ApplicationFormSubmission/CreateTeamerControllerTest.php

@@ -14,8 +14,8 @@ use Symfony\Component\HttpFoundation\Response;
 /**
  * Everything around the provisioning click that can be exercised without writing to BusPro.
  *
- * The write itself cannot: the teamer CRM selection is only changeable in the production database
- * (.ddev/plans/buspro-crm-selection-write.md), and a POST that gets as far as the api client would
+ * The write itself cannot: the teamer CRM selection is only changeable in the production database,
+ * and a POST that gets as far as the api client would
  * open a socket to it from a test. TeamerProvisionerTest covers the flow against a mocked client;
  * what is left here is the route, the confirmation and the one POST that is safe to make - a
  * submission TeamerProvisioner refuses before it sends anything.