Using generated error types

services/inventory/design/design.go

@@ -30,8 +30,6 @@ var _ = Service("inventory", func() {
 	Method("addItem", func() {
 		Payload(design.InventoryRecord)
 		Result(Empty)
-		Error("NotFound")
-		Error("BadRequest")
 
 		GRPC(func() {
 			Response(CodeOK)
@@ -42,12 +40,10 @@ var _ = Service("inventory", func() {
 		Payload(design.InventoryRecord)
 		Result(Empty)
 		Error("NotFound")
-		Error("BadRequest")
 
 		GRPC(func() {
 			Response(CodeOK)
 			Response("NotFound", CodeNotFound)
-			Response("BadRequest", CodeInvalidArgument)
 		})
 	})
 })