function plt_hide_salesmanago_menus() {
//Hide the "SALESmanago" menu.
remove_menu_page('salesmanago');
//Hide the "SALESmanago → Login" menu.
remove_submenu_page('salesmanago', 'salesmanago');
//Hide the "SALESmanago → SALESmanago.com" menu.
remove_submenu_page('salesmanago', 'salesmanago-go-to-app');
}
add_action('admin_menu', 'plt_hide_salesmanago_menus', 11);