Remove table cellspacing attribute from the admin, part-props MattyRob, fixes #22086.

git-svn-id: https://develop.svn.wordpress.org/trunk@27036 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/media.php

@@ -2139,7 +2139,7 @@ jQuery(function($){
 <form enctype="multipart/form-data" method="post" action="<?php echo esc_url( $form_action_url ); ?>" class="<?php echo $form_class; ?>" id="gallery-form">
 <?php wp_nonce_field('media-form'); ?>
 <?php //media_upload_form( $errors ); ?>
-<table class="widefat" cellspacing="0">
+<table class="widefat">
 <thead><tr>
 <th><?php _e('Media'); ?></th>
 <th class="order-head"><?php _e('Order'); ?></th>