How to Hide the "Debogger Options" Admin Menu

function plt_hide_debogger_menus() {
	//Hide the "Settings → Debogger Options" menu.
	remove_submenu_page('options-general.php', 'debogoptions');
}

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

Where do I put this code?