docs: drop code references to local plan files

src/Controller/Api/ApplicationFormController.php

@@ -21,8 +21,7 @@ use Symfony\Component\Security\Http\Attribute\IsGranted;
  *
  * The visitor waits for this response inside their own form submission and TYPO3 gives up after
  * a few seconds without retrying, so this stores the row and answers - notification mail and any
- * matching against known people belong in a worker, not here
- * (.ddev/plans/MYEP-APPLICATION-ENDPOINT.md §6).
+ * matching against known people belong in a worker, not here.
  */
 class ApplicationFormController extends AbstractController
 {
@@ -58,7 +57,7 @@ class ApplicationFormController extends AbstractController
             'formLabel' => $submission->getFormLabel(),
             'pageUid' => $submission->getPageUid(),
             'submittedAt' => $submission->getSubmittedAt()->format(\DateTimeInterface::ATOM),
-            // the labels and the answers are personal data (§7), their number is not
+            // the labels and the answers are personal data, their number is not
             'detailCount' => count($submission->getDetails()),
             'receiptSent' => $receiptSent,
         ]);