message: remove incoming message options title
diff: @@ -349,10 +349,6 @@ void SpectreBridge::populateOptions()
  visibleTransactions.append(txType);
  }
  - QVariantList messageTypes;
  -
  - messageTypes.append(tr("Incoming Message"));
  - notifications.insert("messages", messageTypes);
  notifications.insert("transactions", visibleTransactions);
  options.insert("optVisibleTransactions", visibleTransactions);
  