How to Hide Intelligence Admin Menus

function plt_hide_intelligence_menus() {
	//Hide "Intelligence".
	remove_menu_page('intel_admin');
	//Hide "Intelligence → Dashboard".
	remove_submenu_page('intel_admin', 'intel_admin');
	//Hide "Intelligence → Reports".
	remove_submenu_page('intel_admin', 'intel_reports');
	//Hide "Intelligence → Annotations".
	remove_submenu_page('intel_admin', 'intel_annotation');
	//Hide "Intelligence → Contacts".
	remove_submenu_page('intel_admin', 'intel_visitor');
	//Hide "Intelligence → Settings".
	remove_submenu_page('intel_admin', 'intel_config');
	//Hide "Intelligence → Utilities".
	remove_submenu_page('intel_admin', 'intel_util');
	//Hide "Intelligence → Help".
	remove_submenu_page('intel_admin', 'intel_help');
}

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

Where do I put this code?