formatting

Former-commit-id: 037081db5d6d4434e873ca8b75334ee43e046b6a

_examples/http_request/read-json-struct-validation/main.go

@@ -131,7 +131,6 @@ func main() {
 // hooks right into validator and you can combine with validation tags and still have a
 // common error output format.
 func UserStructLevelValidation(sl validator.StructLevel) {
-
 	user := sl.Current().Interface().(User)
 
 	if len(user.FirstName) == 0 && len(user.LastName) == 0 {