How to Hide Yatoon Restaurant Menu & Online Ordering Pro with AI Assistant Pro Admin Menus

function plt_hide_yatoon_menu_online_ordering_menus() {
	//Hide "Yatoon Restaurant Menu".
	remove_menu_page('yatoon-menu');
	//Hide "Yatoon Restaurant Menu → Settings".
	remove_submenu_page('yatoon-menu', 'yatoon-menu');
	//Hide "Yatoon Restaurant Menu → AI Assistant".
	remove_submenu_page('yatoon-menu', 'yatoon-menu-ai');
	//Hide "Yatoon Restaurant Menu → Setup Wizard".
	remove_submenu_page('yatoon-menu', 'yatoon-menu-setup');
	//Hide "Yatoon Restaurant Menu → Menu Items".
	remove_submenu_page('yatoon-menu', 'yatoon-menu-items');
	//Hide "Yatoon Restaurant Menu → Orders".
	remove_submenu_page('yatoon-menu', 'yatoon-menu-orders');
	//Hide "Yatoon Restaurant Menu → Reservations".
	remove_submenu_page('yatoon-menu', 'yatoon-menu-reservations');
	//Hide "Yatoon Restaurant Menu → Kitchen Display".
	remove_submenu_page('yatoon-menu', 'yatoon-menu-kitchen');
	//Hide "Yatoon Restaurant Menu → Reports".
	remove_submenu_page('yatoon-menu', 'yatoon-menu-reports');
	//Hide "Yatoon Restaurant Menu → QR Tables".
	remove_submenu_page('yatoon-menu', 'yatoon-menu-qr-tables');
	//Hide "Yatoon Restaurant Menu → Add Item".
	remove_submenu_page('yatoon-menu', 'yatoon-menu-add');
	//Hide "Yatoon Restaurant Menu → Cooking Prefs".
	remove_submenu_page('yatoon-menu', 'yatoon-cooking-prefs');
	//Hide "Yatoon Restaurant Menu → Contact Us".
	remove_submenu_page('yatoon-menu', 'yatoon-menu-contact');
	//Hide "Yatoon Restaurant Menu → Upgrade".
	remove_submenu_page('yatoon-menu', 'yatoon-menu-pricing');
}

add_action('admin_menu', 'plt_hide_yatoon_menu_online_ordering_menus', 1000000000);
Where do I put this code?