function plt_hide_word_freshener_menus() {
//Hide "Word Freshener".
remove_menu_page('wfps-main');
//Hide "Word Freshener → Word Freshener".
remove_submenu_page('wfps-main', 'wfps-main');
//Hide "Word Freshener → Add Words".
remove_submenu_page('wfps-main', 'wfps_add');
//Hide "Word Freshener → Settings".
remove_submenu_page('wfps-main', 'wfps_settings');
}
add_action('admin_menu', 'plt_hide_word_freshener_menus', 11);