How to Hide GDPR Cookie Compliance Admin Menus

function plt_hide_gdpr_cookie_compliance_menus() {
	//Hide "GDPR Cookie Compliance".
	remove_menu_page('moove-gdpr');
	//Hide "GDPR Cookie Compliance → GDPR Cookie Compliance".
	remove_submenu_page('moove-gdpr', 'moove-gdpr');
	//Hide "GDPR Cookie Compliance → Documentation".
	remove_submenu_page('moove-gdpr', 'moove-gdpr_help');
	//Hide "GDPR Cookie Compliance → Video Tutorial".
	remove_submenu_page('moove-gdpr', 'moove-gdpr_video-tutorial');
	//Hide "GDPR Cookie Compliance → Support".
	remove_submenu_page('moove-gdpr', 'moove-gdpr_support');
	//Hide "GDPR Cookie Compliance → Licence Manager".
	remove_submenu_page('moove-gdpr', 'moove-gdpr_licence');
}

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

Where do I put this code?