Fix JS error on merch checklist item

Select2Autocomplete inserts an extra field, which is marked required and which my JS was not marking un-required. This was causing the merch page to not save for anyone who wanted to be paid by PayPal. This should fix that.

uber/templates/guest_checklist/merch_deadline.html

@@ -316,6 +316,8 @@ <h3>Extra Info</h3>
             $.field('check_{{ field_name }}').prop('required', $.val('payout_method') == "{{ c.CHECK }}");
             $("label[for='check_{{ field_name }}']").toggleClass('optional-field', $.val('payout_method') != "{{ c.CHECK }}");
             {% endfor %}
+            // I STILL hate Select2Autocomplete
+            $.field('check_country').next().prop('required', $.val('payout_method') == "{{ c.CHECK }}");
           }
 
             var showOrHideRockIsland = function() {