fixed verification code

api/pkg/api/http/response/response.go

@@ -152,6 +152,12 @@ func BadRequest(logger mlogger.Logger, source mservice.Type, err, hint string) h
 	}
 }
 
+func Gone(logger mlogger.Logger, source mservice.Type, err, hint string) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		errorf(logger, w, r, source, http.StatusGone, err, hint)
+	}
+}
+
 func BadQueryParam(logger mlogger.Logger, source mservice.Type, param string, err error) http.HandlerFunc {
 	return BadRequest(logger, source, "invalid_query_parameter", fmt.Sprintf("Failed to parse '%s': %v", param, err))
 }