Improve wordpress security by hiding non public resources

Using remove_action() can be remove unnecessary links for example:

remove_action('wp_head', 'rsd_link'); //removes EditURI/RSD (Really Simple Discovery) link.
remove_action('wp_head', 'wlwmanifest_link'); //removes wlwmanifest (Windows Live Writer) link.
remove_action('wp_head', 'wp_generator'); //removes meta name generator.
remove_action('wp_head', 'wp_shortlink_wp_head'); //removes shortlink.
remove_action( 'wp_head', 'feed_links', 2 ); //removes feed links.
remove_action('wp_head', 'feed_links_extra', 3 );  //removes comments feed.