Exposing Items to the cloud service was turned off some time ago because too many users are exposing all their Items for no reason what-so-ever causing the service to go down frequently under the load.
If you are not using IFTTT, there is no need to expose any Items at all.
If you do want to integrate with IFTTT, you will need to host your own instance of the Cloud Sever and follow How To: Integrate Custom openHAB Cloud with IFTTT.