How to Hide Accordions - Multiple Accordions or FAQs Builders Admin Menus

function plt_hide_accordions_or_faqs_menus() {
	//Hide "Accordions".
	remove_menu_page('oxi-accordions-ultimate');
	//Hide "Accordions → Shortcode".
	remove_submenu_page('oxi-accordions-ultimate', 'oxi-accordions-ultimate');
	//Hide "Accordions → Create New".
	remove_submenu_page('oxi-accordions-ultimate', 'oxi-accordions-ultimate-new');
	//Hide "Accordions → Settings".
	remove_submenu_page('oxi-accordions-ultimate', 'oxi-accordions-ultimate-settings');
	//Hide "Accordions → Oxilab Plugins".
	remove_submenu_page('oxi-accordions-ultimate', 'oxi-accordions-ultimate-plugins');
	//Hide "Accordions → Support".
	remove_submenu_page('oxi-accordions-ultimate', 'oxi-accordions-ultimate-welcome');
}

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

Where do I put this code?