How to Hide Guard Dog Security & Site Lock Admin Menus

function plt_hide_folder_auditor_menus() {
	//Hide "Guard Dog".
	remove_menu_page('guard-dog-security');
	//Hide "Guard Dog → Dashboard".
	remove_submenu_page('guard-dog-security', 'guard-dog-security');
	//Hide "Guard Dog → Site Lock".
	remove_submenu_page('guard-dog-security', 'guard-dog-security&tab=security');
	//Hide "Guard Dog → Auditor".
	remove_submenu_page('guard-dog-security', 'guard-dog-security&tab=audit');
	//Hide "Guard Dog → Security".
	remove_submenu_page('guard-dog-security', 'guard-dog-security&tab=security');
	//Hide "Guard Dog → Scanner".
	remove_submenu_page('guard-dog-security', 'guard-dog-security&tab=scanner');
	//Hide "Guard Dog → Tools".
	remove_submenu_page('guard-dog-security', 'guard-dog-security&tab=tools');
	//Hide "Guard Dog → Settings".
	remove_submenu_page('guard-dog-security', 'guard-dog-security&tab=settings');
}

add_action('admin_menu', 'plt_hide_folder_auditor_menus', 11);

Where do I put this code?