JSHint: Remove an unused variable.

Built from https://develop.svn.wordpress.org/trunk@31568


git-svn-id: http://core.svn.wordpress.org/trunk@31549 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/media/grid.js

@@ -629,7 +629,6 @@ Manage = MediaFrame.extend({
 	 * @global wp.Uploader
 	 */
 	initialize: function() {
-		var self = this;
 		_.defaults( this.options, {
 			title:     '',
 			modal:     false,

wp-includes/js/media/views/frame/manage.js

@@ -30,7 +30,6 @@ Manage = MediaFrame.extend({
 	 * @global wp.Uploader
 	 */
 	initialize: function() {
-		var self = this;
 		_.defaults( this.options, {
 			title:     '',
 			modal:     false,

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.2-alpha-31567';
+$wp_version = '4.2-alpha-31568';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.