function plt_hide_instawp_connect_menus() {
//Hide the "Tools → InstaWP" menu.
remove_submenu_page('tools.php', 'instawp');
//Hide the "Tools → Scheduled Actions" menu.
remove_submenu_page('tools.php', 'action-scheduler');
}
add_action('admin_menu', 'plt_hide_instawp_connect_menus', 11);