MINOR: changing template to make delete icon appear in the list of uploaded files

templates/Includes/HtmlEditorField_viewfile.ss

@@ -2,7 +2,9 @@
 	<div class="overview">
 		<span class="thumbnail">$Preview</span>
 		<span class="title">$Name</span>
-		<a href="#" class="btn-icon-cross-circle ui-button-icon-primary ui-icon action-delete"><% _t('HtmlEditorField.DeleteItem', 'delete') %></a>
+		<a href="#" class="action-delete ui-state-default">
+			<span class="ui-button-icon-primary ui-icon btn-icon-cross-circle"></span>
+		</a>
 	</div>
 	<div class="details">
 		<fieldset>