Fix jshint errors introduced in [29284] and [29299].

Built from https://develop.svn.wordpress.org/trunk@29306


git-svn-id: http://core.svn.wordpress.org/trunk@29088 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/media-editor.js

@@ -440,7 +440,7 @@
 			shortcode: function( attachments ) {
 				var props = attachments.props.toJSON(),
 					attrs = _.pick( props, 'orderby', 'order' ),
-					shortcode, clone, self = this;
+					shortcode, clone;
 
 				if ( attachments.type ) {
 					attrs.type = attachments.type;

wp-includes/js/media-grid.js

@@ -170,7 +170,7 @@
 		/**
 		 * Open the Edit Attachment modal.
 		 */
-		openEditAttachmentModal: function( model, currentTarget ) {
+		openEditAttachmentModal: function( model ) {
 			// Create a new EditAttachment frame, passing along the library and the attachment model.
 			wp.media( {
 				frame:       'edit-attachments',