Use scoped keys for table headers in saved card partial

app/views/spree/users/_saved_cards.html.haml

@@ -3,8 +3,8 @@
     %th= t(:card_type)
     %th= t(:card_number)
     %th= t(:card_expiry_date)
-    %th= t(:default?)
-    %th= t(:delete?)
+    %th= t('.default?')
+    %th= t('.delete?')
   %tr.card{ id: "card{{ card.id }}", ng: { repeat: "card in savedCreditCards" } }
     %td.brand{ ng: { bind: '::card.brand' } }
     %td.number{ ng: { bind: '::card.number' } }

config/locales/en.yml

@@ -1232,7 +1232,6 @@ en:
   saving_credit_card: Saving credit card...
   card_has_been_removed: "Your card has been removed (number: %{number})"
   card_could_not_be_removed: Sorry, the card could not be removed
-  default?: Default?
 
   ie_warning_headline: "Your browser is out of date :-("
   ie_warning_text: "For the best Open Food Network experience, we strongly recommend upgrading your browser:"
@@ -2732,5 +2731,8 @@ See the %{link} to find out more about %{sitename}'s features and to start using
         total: Total
         paid?: Paid?
         view: View
+      saved_cards:
+        default?: Default?
+        delete?: Delete?
     localized_number:
       invalid_format: has an invalid format. Please enter a number.