FEAT #15350 TIME 0:15 clean useless code (attachments + content_management)

modules/attachments/attachments_tables.php

modules/attachments/class/attachments_controler.php

modules/attachments/class/attachments_controler_Abstract.php

modules/attachments/class/class_modules_tools.php

modules/attachments/class/class_modules_tools_Abstract.php

modules/attachments/frame_list_attachments.php

modules/attachments/lang/en.php

modules/attachments/lang/fr.php

modules/attachments/lang/nl.php

modules/attachments/load_toolbar_attachments.php

modules/attachments/previous_attachments.php

modules/attachments/view_attachment.php

modules/attachments/xml/IVS/data_types.xml

modules/attachments/xml/IVS/requests_definitions.xml

modules/attachments/xml/IVS/validation_rules.xml

modules/attachments/xml/menu.xml

modules/content_management/DOC2PDF_VBS.vbs

.../content_management/class/class_content_manager_tools.php

...management/class/class_content_manager_tools_Abstract.php

modules/content_management/class/class_modules_tools.php