Moved GenbarcodeLocation from products.lang to admin.lang

htdocs/langs/ar_SA/admin.lang

htdocs/langs/ar_SA/products.lang

htdocs/langs/bg_BG/admin.lang

htdocs/langs/bg_BG/products.lang

htdocs/langs/ca_ES/admin.lang

htdocs/langs/ca_ES/products.lang

htdocs/langs/da_DK/admin.lang

htdocs/langs/da_DK/products.lang

htdocs/langs/de_AT/admin.lang

htdocs/langs/de_AT/products.lang

htdocs/langs/de_DE/admin.lang

htdocs/langs/de_DE/products.lang

htdocs/langs/el_GR/admin.lang

htdocs/langs/el_GR/products.lang

htdocs/langs/en_US/admin.lang

htdocs/langs/en_US/products.lang

htdocs/langs/es_ES/admin.lang

htdocs/langs/es_ES/products.lang

htdocs/langs/et_EE/admin.lang

htdocs/langs/et_EE/products.lang