removed debug outputs for hold_dice_with_menu()

void hold_dice_with_menu(struct die_st *dice, unsigned int num_dice) {

    menu_item dice_hold_selections[num_dice];

    printf("initializing hold dice menu\n");

    for (int i = 0; i < num_dice; i++) {

        int human_readable_i = i + 1;

        dice_hold_selections[i].title = malloc(21 * sizeof(char));

        dice_hold_selections[i].command = malloc(13 * sizeof(char));

        sprintf(dice_hold_selections[i].command, "toggle_hold_%1d", i);

    }

    printf("prompting hold dice menu\n");

    menu_prompt_multi_select(dice_hold_selections, num_dice);

//    menu_prompt(dice_hold_selections, num_dice);

    printf("done prompting hold dice menu; saving selections\n");

    for (unsigned int i = 0; i < num_dice; i++) {

        dice[i].held = dice_hold_selections[i].multi_selected;

    }

    printf("hold_dice_with_menu() done\n");

    // cleanup of dynamically allocated items in menu struct

    for (int i = 0; i < num_dice; i++) {

        if (dice_hold_selections[i].title) {

            free(dice_hold_selections[i].title);