Use standard translation

#623

app/views/registrar/invoices/partials/_items.haml

@@ -20,11 +20,11 @@
     %tfoot
       %tr
         %th{colspan: 3}
-        %th= t(:total_without_vat)
+        %th= Invoice.human_attribute_name :subtotal
         %td= currency(@invoice.subtotal)
       %tr
         %th.no-border{colspan: 3}
-        %th= t('vat', rate: vat_rate(@invoice.vat_rate))
+        %th= "VAT #{vat_rate(@invoice.vat_rate)}"
         %td= currency(@invoice.vat)
       %tr
         %th.no-border{colspan: 3}

app/views/registrar/invoices/pdf.haml

@@ -238,11 +238,11 @@
               %tfoot
                 %tr
                   %th{colspan: 3}
-                  %th= t(:total_without_vat)
+                  %th= Invoice.human_attribute_name :subtotal
                   %td= "#{currency(@invoice.subtotal)} #{@invoice.currency}"
                 %tr
                   %th.no-border{colspan: 3}
-                  %th= t('vat', rate: vat_rate(@invoice.vat_rate))
+                  %th= "VAT #{vat_rate(@invoice.vat_rate)}"
                   %td= "#{currency(@invoice.vat)} #{@invoice.currency}"
                 %tr
                   %th.no-border{colspan: 3}

config/locales/en.yml

@@ -543,7 +543,6 @@ en:
   invoice_number: Invoice no.
   seller: 'Seller'
   prepayment: 'Prepayment'
-  vat: 'VAT (%{rate})'
   unpaid: 'Unpaid'
   your_current_account_balance_is: 'Your current account balance is %{balance} %{currency}'
   billing: 'Billing'
@@ -561,7 +560,6 @@ en:
   unit: 'Unit'
   price: 'Price'
   total: 'Total'
-  total_without_vat: 'Total without VAT'
   paid_at: 'Paid at'
   invoice: 'Invoice'
   bank_statements: 'Bank statements'