How to Hide Disable Admin Notices Individually Admin Menus

function plt_hide_disable_admin_notices_menus() {
	//Hide "Settings → Hide admin notices".
	remove_submenu_page('options-general.php', 'wdan_settings-wbcr_dan');
	//Hide "Hidden notices".
	remove_menu_page('wdan-notices-wbcr_dan');
	//Hide "Block ad redirects".
	remove_menu_page('wdanp-edit-redirects-wbcr_dan');
	//Hide "Hide adminbar items".
	remove_menu_page('wdanp-edit-admin-bar-wbcr_dan');
	//Hide "License".
	remove_menu_page('wdn_license-wbcr_dan');
}

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

Where do I put this code?