fix(11-08): add the T-11-31 removal check to the phase gate

- RC-14 removes the foreign-transaction refusal in lagoon.AfterCommit and
  requires TestTransactionAfterCommit to fail

scripts/check-phase11.sh

@@ -332,7 +332,10 @@ removal_table() {
   "if false && strings.Contains(text, v) {\n\t\t\t\thits = append(hits, rel+\": centrifugo test value\")", "./parity", "^TestUniqueAndSecretScan$"],
  ["RC-13", "T-11-SC", "script", "scripts/check-phase11.sh",
   "hits=\"$(grep -iE \"$CLIENT_RE\" \"$modlist\" | head -n1 || true)\"",
-  "hits=\"\"", "", "--self-test"]
+  "hits=\"\"", "", "--self-test"],
+ ["RC-14", "T-11-31", "root", "modules/lagoon/transaction.go",
+  "if transactionalHandle(db) {",
+  "if false {", "./modules/lagoon", "^TestTransactionAfterCommit$"]
 ]
 EOF
 }