How to Hide Presto Player Admin Menus

function plt_hide_presto_player_menus() {
	//Hide "Presto Player".
	remove_menu_page('presto-dashboard');
	//Hide "Presto Player → Dashboard".
	remove_submenu_page('presto-dashboard', 'presto-dashboard');
	//Hide "Presto Player → Media Hub".
	remove_submenu_page('presto-dashboard', 'admin.php?page=presto-dashboard&tab=MediaHub');
	//Hide "Presto Player → Analytics".
	remove_submenu_page('presto-dashboard', 'admin.php?page=presto-dashboard&tab=Analytics');
	//Hide "Presto Player → Emails".
	remove_submenu_page('presto-dashboard', 'admin.php?page=presto-dashboard&tab=Emails');
	//Hide "Presto Player → Settings".
	remove_submenu_page('presto-dashboard', 'admin.php?page=presto-dashboard&tab=Settings');
	//Hide "Presto Player → Learn".
	remove_submenu_page('presto-dashboard', 'admin.php?page=presto-dashboard&tab=Learn');
	//Hide "Presto Player → Upgrade to Pro".
	remove_submenu_page('presto-dashboard', 'https://prestoplayer.com/pricing/');
}

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

Where do I put this code?