removeResourceId(id) {
        if (!this.urls[id]) {
            return;
        }

        debug('removeResourceId', this.urls[id].url, this.urls[id].generatorId);

        events.emit('url.removed', {
            url: this.urls[id].url,
            resource: this.urls[id].resource
        });

        delete this.urls[id];
    }
@description Remove url.
@param {string} id