How to Hide HTML5 Responsive FAQ Admin Menus

function plt_hide_html5_responsive_faq_menus() {
	//Hide "HTML5 FAQ".
	remove_menu_page('edit.php?post_type=hrf_faq');
	//Hide "HTML5 FAQ → All Faqs".
	remove_submenu_page('edit.php?post_type=hrf_faq', 'edit.php?post_type=hrf_faq');
	//Hide "HTML5 FAQ → Add New FAQ".
	remove_submenu_page('edit.php?post_type=hrf_faq', 'post-new.php?post_type=hrf_faq');
	//Hide "HTML5 FAQ → Categories".
	remove_submenu_page('edit.php?post_type=hrf_faq', 'edit-tags.php?taxonomy=category&post_type=hrf_faq');
	//Hide "HTML5 FAQ → HTML5 FAQ Settings".
	remove_submenu_page('edit.php?post_type=hrf_faq', 'hr_faq_settings');
}

add_action('admin_menu', 'plt_hide_html5_responsive_faq_menus', 11);
Where do I put this code?