How to Hide TotalPoll – Lite Admin Menus

function plt_hide_totalpoll_lite_menus() {
	//Hide "Tools → Scheduled Actions".
	remove_submenu_page('tools.php', 'action-scheduler');

	//Hide "TotalPoll".
	remove_menu_page('edit.php?post_type=poll');
	//Hide "TotalPoll → Dashboard".
	remove_submenu_page('edit.php?post_type=poll', 'edit.php?post_type=poll&page=dashboard');
	//Hide "TotalPoll → Polls".
	remove_submenu_page('edit.php?post_type=poll', 'edit.php?post_type=poll');
	//Hide "TotalPoll → New Poll".
	remove_submenu_page('edit.php?post_type=poll', 'post-new.php?post_type=poll');
	//Hide "TotalPoll → Presets".
	remove_submenu_page('edit.php?post_type=poll', 'edit.php?post_type=poll&page=presets');
	//Hide "TotalPoll → Entries".
	remove_submenu_page('edit.php?post_type=poll', 'edit.php?post_type=poll&page=entries');
	//Hide "TotalPoll → Insights".
	remove_submenu_page('edit.php?post_type=poll', 'edit.php?post_type=poll&page=insights');
	//Hide "TotalPoll → Logs".
	remove_submenu_page('edit.php?post_type=poll', 'edit.php?post_type=poll&page=log');
	//Hide "TotalPoll → Templates".
	remove_submenu_page('edit.php?post_type=poll', 'edit.php?post_type=poll&page=templates');
	//Hide "TotalPoll → Extensions".
	remove_submenu_page('edit.php?post_type=poll', 'edit.php?post_type=poll&page=extensions');
	//Hide "TotalPoll → Options".
	remove_submenu_page('edit.php?post_type=poll', 'edit.php?post_type=poll&page=options');
	//Hide "TotalPoll → Upgrade to Pro".
	remove_submenu_page('edit.php?post_type=poll', 'edit.php?post_type=poll&page=upgrade-to-pro');
	//Hide "TotalPoll → Onboarding".
	remove_submenu_page('edit.php?post_type=poll', 'edit.php?post_type=poll&page=onboarding');
}

add_action('admin_menu', 'plt_hide_totalpoll_lite_menus', 11);
Where do I put this code?