[0.85] minor clean


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@21703 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] more clean see #2969


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@21704 35612d4c-9d10-0410-837c-bf9dd1be60d7