Disable Wordpress native username password login when using Google Apps Login

disable-native-login.php

<?php

/**
* Plugin Name: Disable Native Login
* Plugin URI: https://cs.cementhorizon.com/
* Description: Disable the native username password login in wordpress
* Version: 1.0.0
* Author: Gene Wood
* Author URI: https://cs.cementhorizon.com/
* License: GPL2
*/

// Install this by putting it in wp-content/plugins/disable-native-login/

// https://deluxeblogtips.com/completely-disable-login-username-password-wordpress/
add_action( 'login_init', function () {
   if ( isset( $_POST['log'] ) || isset( $_POST['user_login'] ) ) {
      die;
   }
} );

// https://codex.wordpress.org/Customizing_the_Login_Form
function hide_login_form() { ?>
    <style type="text/css">
        #loginform h3.galogin-or, #loginform p:not(.galogin), #loginform div.user-pass-wrap, #login p#nav {
            display: none;
        }
    </style>
<?php }
add_action( 'login_enqueue_scripts', 'hide_login_form' );


?>