feature 2060: Remove adviser from db structure.

Remove adviser from user_list page and some db queries.

git-svn-id: http://piwigo.org/svn/trunk@8131 68402e56-0260-453c-a942-63ccdbb3a9ee

install/db/91-database.php

@@ -32,7 +32,7 @@ $upgrade_description = 'Remove adviser status.';
 $query = "
 UPDATE ".USER_INFOS_TABLE."
 SET status = 'normal'
-WHERE (status = 'webmaster' OR status = 'admin')
+WHERE status IN ('webmaster', 'admin')
   AND adviser = 'true'
 ;";