lines for generating QR code commented out

admin/code/tce_pdf_results.php

@@ -174,11 +174,12 @@ $isunicode = (strcasecmp($l['a_meta_charset'], 'UTF-8') == 0);
 $pdf = new TCPDFEX(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, $isunicode);
 
 // Set backlink QR-Code
+/* QR code not needed 150330 ESM
 if ($pubmode) {
 	$pdf->setTCExamBackLink(K_PATH_URL.'public/code/tce_test_allresults.php?'.$filter);
 } else  {
 	$pdf->setTCExamBackLink(K_PATH_URL.'admin/code/tce_show_result_allusers.php?'.$filter);
-}
+}*/
 
 // set document information
 $pdf->SetCreator('TCExam ver.'.K_TCEXAM_VERSION.'');