code: public void removeThreadPool(ServerConfig serverConfig) {
          Lookout.registry().removeMetric(rpcLookoutId.removeServerThreadConfigId(serverConfig));
          Lookout.registry().removeMetric(rpcLookoutId.removeServerThreadPoolActiveCountId(serverConfig));
          Lookout.registry().removeMetric(rpcLookoutId.removeServerThreadPoolIdleCountId(serverConfig));
          Lookout.registry().removeMetric(rpcLookoutId.removeServerThreadPoolQueueSizeId(serverConfig));
      }
docs: remove the thread pool information
  
  @param serverConfig server config