fix trad

htdocs/langs/ar_SA/bills.lang

htdocs/langs/bg_BG/bills.lang

htdocs/langs/da_DK/bills.lang

htdocs/langs/el_GR/bills.lang

htdocs/langs/en_US/bills.lang

htdocs/langs/et_EE/bills.lang

htdocs/langs/fi_FI/bills.lang

htdocs/langs/he_IL/bills.lang

htdocs/langs/hu_HU/bills.lang

htdocs/langs/is_IS/bills.lang

htdocs/langs/ja_JP/bills.lang

htdocs/langs/nb_NO/bills.lang

htdocs/langs/nl_NL/bills.lang

htdocs/langs/pl_PL/bills.lang

htdocs/langs/ro_RO/bills.lang

htdocs/langs/sv_SE/bills.lang

htdocs/langs/zh_CN/bills.lang

htdocs/langs/zh_TW/bills.lang