Remove hidden `user_id` input from Edit Comment screen.

Since [31172], it caused the comment's `user_id` field to be unexpectedly changed to the user who edits the comment.

fixes #30307.
Built from https://develop.svn.wordpress.org/trunk@31776


git-svn-id: http://core.svn.wordpress.org/trunk@31756 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/edit-form-comment.php

@@ -16,7 +16,6 @@ if ( !defined('ABSPATH') )
 <h2><?php _e('Edit Comment'); ?></h2>
 
 <div id="poststuff">
-<input type="hidden" name="user_ID" value="<?php echo (int) $user_ID; ?>" />
 <input type="hidden" name="action" value="editedcomment" />
 <input type="hidden" name="comment_ID" value="<?php echo esc_attr( $comment->comment_ID ); ?>" />
 <input type="hidden" name="comment_post_ID" value="<?php echo esc_attr( $comment->comment_post_ID ); ?>" />

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-beta1-31775';
+$wp_version = '4.2-beta1-31776';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.