Remove associated adjustments radio button

Removes the 'Associated Adjustment Closed' options from the order edit
page (/admin/orders/XXXXX/edit).

app/views/spree/admin/orders/_shipment.html.haml

@@ -40,18 +40,6 @@
               = label_tag 'selected_shipping_rate_id', Spree.t(:shipping_method)
               = select_tag :selected_shipping_rate_id, options_for_select(shipment.shipping_rates.backend.map { |sr| ["#{sr.name} #{sr.display_price}", sr.id] }, shipment.selected_shipping_rate_id), { :class => 'select2 fullwidth', :data => { 'shipment-number' => shipment.number } }
 
-            - if shipment.fee_adjustment&.closed?
-              %div.field.omega.four.columns
-                %label
-                  = Spree.t(:associated_adjustment_closed)
-                %ul
-                  %li
-                    = radio_button_tag :open_adjustment, 'yes', false, :data => { 'shipment-number' => shipment.number }
-                    = "Yes"
-                  %li
-                    = radio_button_tag :open_adjustment, 'no', true, :data => {'shipment-number' => shipment.number }
-                    = "No"
-
           %td.actions
             - if can? :update, shipment
               = link_to '', '', :class => 'save-method icon_link icon-ok no-text with-tip', :data => { 'shipment-number' => shipment.number, :action => 'save' }, title: I18n.t('actions.save')

spec/views/spree/admin/orders/edit.html.haml_spec.rb

@@ -59,6 +59,12 @@ describe "spree/admin/orders/edit.html.haml" do
                                               text: out_of_stock_line_item.variant.display_name
       end
     end
+
+    it "doesn't display closed associated adjustments" do
+      render
+      
+      expect(rendered).to_not have_content "Associated adjustment closed"
+    end
   end
 
   context "when order is incomplete" do
@@ -93,5 +99,11 @@ describe "spree/admin/orders/edit.html.haml" do
         expect(rendered).to_not have_content "Out of Stock"
       end
     end
+
+    it "doesn't display closed associated adjustments" do
+      render
+      
+      expect(rendered).to_not have_content "Associated adjustment closed"
+    end
   end
 end