function plt_hide_inter_library_search_by_webloft_menus() {
//Hide the "Tools → WL Katalogsk" menu.
remove_submenu_page('tools.php', 'wl_katalogsok_tools');
//Hide the "Settings → WL Katalogsk" menu.
remove_submenu_page('options-general.php', 'wl_katalogsok_options');
}
add_action('admin_menu', 'plt_hide_inter_library_search_by_webloft_menus', 11);