code: public boolean marketplace_removeListing(Long listingId, CharSequence status)
      throws FacebookException, IOException {
      assert MARKETPLACE_STATUS_DEFAULT.equals(status) || MARKETPLACE_STATUS_SUCCESS.equals(status) ||
        MARKETPLACE_STATUS_NOT_SUCCESS.equals(status) : "Invalid status: " + status;
  
      T result =
        this.callMethod(FacebookMethod.MARKETPLACE_REMOVE_LISTING, new Pair<String, CharSequence>("listing_id",
                                                                                                  listingId.toString()),
                        new Pair<String, CharSequence>("status", status));
      return this.extractBoolean(result);
    }
docs: Remove a marketplace listing
  @param listingId the listing to be removed
  @param status MARKETPLACE_STATUS_DEFAULT, MARKETPLACE_STATUS_SUCCESS, or MARKETPLACE_STATUS_NOT_SUCCESS
  @return boolean indicating whether the listing was removed
  @see <a href="http://wiki.developers.facebook.com/index.php/Marketplace.removeListing">
  Developers Wiki: marketplace.removeListing</a>