Removing unrequired Spree::Order#with_payment_method_name scope

app/models/spree/order_decorator.rb

@@ -70,13 +70,6 @@
     where("state != ?", state)
   }
 
-  scope :with_payment_method_name, lambda { |payment_method_name|
-    joins(:payments => :payment_method).
-      where('spree_payment_methods.name IN (?)', payment_method_name).
-      select('DISTINCT spree_orders.*')
-  }
-
-
   # -- Methods
   def products_available_from_new_distribution
     # Check that the line_items in the current order are available from a newly selected distribution

spec/models/spree/order_spec.rb

@@ -489,33 +489,6 @@
         Spree::Order.not_state(:canceled).should_not include o
       end
     end
-
-    describe "with payment method names" do
-      let!(:o1) { create(:order) }
-      let!(:o2) { create(:order) }
-      let!(:pm1) { create(:payment_method, name: 'foo') }
-      let!(:pm2) { create(:payment_method, name: 'bar') }
-      let!(:p1) { create(:payment, order: o1, payment_method: pm1) }
-      let!(:p2) { create(:payment, order: o2, payment_method: pm2) }
-
-      it "returns the order with payment method name when one specified" do
-        Spree::Order.with_payment_method_name('foo').should == [o1]
-      end
-
-      it "returns the orders with payment method name when many specified" do
-        Spree::Order.with_payment_method_name(['foo', 'bar']).should include o1, o2
-      end
-
-      it "doesn't return rows with a different payment method name" do
-        Spree::Order.with_payment_method_name('foobar').should_not include o1
-        Spree::Order.with_payment_method_name('foobar').should_not include o2
-      end
-
-      it "doesn't return duplicate rows" do
-        p2 = FactoryGirl.create(:payment, order: o1, payment_method: pm1)
-        Spree::Order.with_payment_method_name('foo').length.should == 1
-      end
-    end
   end
 
   describe "shipping address prepopulation" do