FEAT #15350 TIME 0:15 clean useless code + lang

...ch_entreprise/class/class_business_app_tools_Abstract.php

.../maarch_entreprise/class/class_indexing_searching_app.php

...ntreprise/class/class_indexing_searching_app_Abstract.php

apps/maarch_entreprise/class/class_login.php

apps/maarch_entreprise/class/class_login_Abstract.php

apps/maarch_entreprise/class/class_users.php

apps/maarch_entreprise/class/class_users_Abstract.php

apps/maarch_entreprise/xml/IVS/data_types.xml

apps/maarch_entreprise/xml/IVS/requests_definitions.xml

apps/maarch_entreprise/xml/IVS/validation_rules.xml

apps/maarch_entreprise/xml/config_sendmail_security.xml

apps/maarch_entreprise/xml/index_letterbox.xml

apps/maarch_entreprise/xml/mapping_sso.xml

core/class/users_controler.php

core/xml/IVS/data_types.xml

core/xml/IVS/requests_definitions.xml

core/xml/IVS/validation_rules.xml

modules/life_cycle/batch/load_process_emails.php

src/core/controllers/AuthenticationController.php

src/frontend/service/auth.service.ts