feature 2548 multisize - added a page to build missing derivatives

- browser driven, chained ws calls to retrieve urls, visual feedback of progress through slideshow

git-svn-id: http://piwigo.org/svn/trunk@12865 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/include/functions.php

@@ -200,11 +200,8 @@ SELECT
     $files = array();
     $files[] = get_element_path($row);
 
-   
     if (!empty($row['representative_ext']))
     {
-      $pi = pathinfo($row['path']);
-      $file_wo_ext = get_filename_wo_extension($pi['basename']);
       $files[] = original_to_representative( $files[0], $row['representative_ext']);
     }