function plt_hide_apollo_site_tools_menus() {
//Hide the "Apollo Site Tools" menu.
remove_menu_page('apollo_ga_plugin');
//Hide the "Apollo Site Tools → Apollo Site Tools" menu.
remove_submenu_page('apollo_ga_plugin', 'apollo_ga_plugin');
//Hide the "Apollo Site Tools → PHP Info" menu.
remove_submenu_page('apollo_ga_plugin', 'apollo_phpinfo');
}
add_action('admin_menu', 'plt_hide_apollo_site_tools_menus', 11);