Prevent MP6 Admin Styles from Loading on the Front End

mp6-admin.php

<?php
/**
* Prevent unnecessary styles from
* loading on the front end
*
* @author FAT Media <http://youneedfat.com>
* @copyright Copyright (c) 2013, FAT Media, LLC
* @license GPL-2.0+
*/

/** 
 * The following code replaces the code block 
 * starting on line 26 of moby6.php in Version: 1.7
*/
function moby6_add_toolbar_css() {
	if ( is_admin_bar_showing() ) { 
		$modtime = filemtime( plugin_dir_path( __FILE__ ) . 'css/admin-bar.css' );
		wp_enqueue_style( 'moby6-admin-bar', plugins_url( 'css/admin-bar.css', __FILE__ ), false, $modtime );
	}
}

/** 
 * The following code replaces the code block 
 * starting on line 77 of mp6.php in Version: 1.7
 * 
 * I'm not entirely sure if the check is necessary
 * here. It looks like it isn't, but I figured I'd
 * include it just in case.
*/
// replace default admin-bar.css with MP6's
add_action( 'init', 'mp6_replace_admin_bar_style' );
function mp6_replace_admin_bar_style() {
 	if ( is_admin_bar_showing() ) { 
  		global $wp_styles;
		$wp_styles->registered[ 'admin-bar' ]->src = plugins_url( 'css/admin-bar.css', __FILE__ );
		$wp_styles->registered[ 'admin-bar' ]->ver = filemtime( plugin_dir_path( __FILE__ ) . 'css/admin-bar.css' );
		$wp_styles->registered[ 'admin-bar' ]->deps[] = 'open-sans';
		$wp_styles->registered[ 'admin-bar' ]->deps[] = 'dashicons';
		$wp_styles->registered[ 'admin-bar' ]->extra[ 'suffix' ] = '';
	}
}