Revert "Use human_attribute_name"

This reverts commit 4a41984

app/views/registrant/registrars/show.haml

@@ -19,7 +19,7 @@
           %dt= t(:reg_no)
           %dd= @registrar.reg_no
 
-          %dt= Registrar.human_attribute_name :vat_no
+          %dt= t(:vat_no)
           %dd= @registrar.vat_no
 
           %dt= t(:id)

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

@@ -16,7 +16,7 @@
   %dt= t(:swift)
   %dd= @invoice.seller_swift
 
-  %dt= Registrar.human_attribute_name :vat_no
+  %dt= t(:vat_no)
   %dd= @invoice.seller_vat_no
 
   %dt= t(:address)

app/views/registrar/invoices/pdf.haml

@@ -261,7 +261,7 @@
             %br
             = "#{t('reg_no')} #{@invoice.seller_reg_no}"
             %br
-            = "#{Registrar.human_attribute_name :vat_no} #{@invoice.seller_vat_no}"
+            = "#{t('vat_no')} #{@invoice.seller_vat_no}"
 
           .col-md-3.left
             = @invoice.seller_phone

config/locales/en.yml

@@ -315,6 +315,7 @@ en:
   edit_statuses: 'Edit statuses'
   history: 'History'
 
+  vat_no: 'VAT no'
   back_to_registrar: 'Back to registrar'
   registrar_deleted: 'Registrar deleted'
   failed_to_delete_registrar: 'Failed to delete registrar'