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<?php
/*
Plugin Name: Remove WordPress Admin Menu
Plugin URI: https://premium.wpmudev.org/support/
Description: A simple mu-plugin that removes the WordPress menu from the Admin menu.
Version: 0.0.1
Author: James Morris - WPMU DEV
Author URI: https://premium.wpmudev.org/profile/jrmorris77
Network: true
*/
add_action('admin_head', 'disable_wp_menu');
add_action('wp_head', 'disable_wp_menu');
function disable_wp_menu() {
  echo '<style>
    li#wp-admin-bar-wp-logo {
    display: none;
	}
  </style>';
}