message: Remove some debug messages
diff: @@ -260,7 +260,7 @@ export class LocalNode extends EventEmitter implements IConcreteNode {
  this.timeoutLength);
  updateP.then(
  (newNode) => {
  - debug(`Successfully renewed expiration for ${this.node._id}`);
  + // debug(`Successfully renewed expiration for ${this.node._id}`);
  this.node = newNode;
  this.scheduleHeartbeat();
  },
  