Revert "Corrected non-static usages of Form::selectarray function"

dev/skeletons/skeleton_list.php

htdocs/accountancy/admin/export.php

htdocs/accountancy/admin/fiscalyear_card.php

htdocs/accountancy/bookkeeping/card.php

htdocs/adherents/admin/adherent.php

htdocs/adherents/admin/public.php

...cs/adherents/canvas/actions_adherentcard_common.class.php

htdocs/adherents/card.php

htdocs/adherents/cartes/carte.php

htdocs/adherents/list.php

htdocs/admin/agenda_other.php

htdocs/admin/boxes.php

htdocs/admin/company.php

htdocs/admin/dict.php

htdocs/admin/ihm.php

htdocs/admin/ldap.php

htdocs/admin/mails.php

htdocs/admin/modules.php

htdocs/admin/multicurrency.php

htdocs/admin/prelevement.php