removeRealtimeRoom(roomId) {
    const messageId = this.publisher.sendRemoveRealtimeRoom(roomId);

    debug(
      "[%s] Broadcasted the removal of room %s (message: %d)",
      this.nodeId,
      roomId,
      messageId,
    );

    this.fullState.removeRealtimeRoom(roomId, this.nodeId);
  }
Triggered when a realtime room is removed from this node.

@param  {string} roomId
@return {void}