function plt_hide_glow_maintenance_support_management_for_agencies_menus() {
//Hide the "Settings → Glow" menu.
remove_submenu_page('options-general.php', 'glow-maintenance-support-management-for-agencies');
}
add_action('admin_menu', 'plt_hide_glow_maintenance_support_management_for_agencies_menus', 11);