Changed translation syntax to normal t() call and lazy lookup.

app/views/spree/admin/variants/_autocomplete.js.erb

@@ -57,7 +57,7 @@
                 <button class="add_variant no-text icon-plus icon_link with-tip" data-stock-location-id="{{variant.stock_location_id}}" title="Add" data-action="add"></button>
               </td>
             {{else}}
-              <td><%= t('admin.subscriptions.stock.out_of_stock') %></td>
+              <td><%= t('.out_of_stock') %></td>
               <td>0</td>
             {{/if}}
           </tr>

config/locales/en.yml

@@ -3368,6 +3368,7 @@ See the %{link} to find out more about %{sitename}'s features and to start using
           display_as_placeholder: 'eg. 2 kg'
           display_name_placeholder: 'eg. Tomatoes'
         autocomplete:
+          out_of_stock: "Out of Stock"
           producer_name: "Producer"
           unit: "Unit"
       shared: