FEAT #5535 Remove some prototype + refactoring + cleaning

apps/maarch_entreprise/indexing_searching/choose_file.php

apps/maarch_entreprise/js/functions.js

apps/maarch_entreprise/js/indexing.js

apps/maarch_entreprise/js/unittest.js

...maarch_entreprise/template/documents_list_search_adv.html

..._entreprise/template/documents_list_with_attachments.html

modules/attachments/choose_attachment.php

modules/attachments/del_attachment.php

modules/attachments/js/functions.js

modules/avis/documents_list_with_avis.php

modules/basket/class/class_admin_basket_Abstract.php

modules/basket/groupbasket_popup.php

modules/visa/documents_list_with_signatory.php

modules/visa/show_visaListDocBasket_tab.php

modules/visa/update_visaPage.php