Fixed merge conflict with IE download/handle resolving

ObjectHelper.inc

@@ -186,9 +186,6 @@ class ObjectHelper {
           if ($mimeType = $info['content_type']) {
             drupal_set_header("Content-Type: $mimeType");
             
-            // Fixes an IE issue (ISLANDORA-311)
-            // http://support.microsoft.com/kb/316431 
-            drupal_set_header("Cache-Control: private", TRUE); 
             if ($asAttachment) {
               $suggestedFileName = "$label";
               $pos = strpos($suggestedFileName, '.');