public List<Pair<String, String>> removeAllIngressName(final String namespace, final String serviceName) {
        return INGRESS_MAP.remove(getKey(namespace, serviceName));
    }
Remove all ingress by service namespace and name.

@param namespace service namespace
@param serviceName service name
@return the ingress list removed
shenyu-kubernetes-controller/src/main/java/org/apache/shenyu/k8s/cache/ServiceIngressCache.java