Removed preview tags

Author: yegu-ms

articles/azure-cache-for-redis/cache-how-to-premium-clustering.md

@@ -49,6 +49,8 @@ Once the cache is created you connect to it and use it just like a non-clustered
 
 For sample code on working with clustering with the StackExchange.Redis client, see the [clustering.cs](https://github.com/rustd/RedisSamples/blob/master/HelloWorld/Clustering.cs) portion of the [Hello World](https://github.com/rustd/RedisSamples/tree/master/HelloWorld) sample.
 
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 ## Change the cluster size on a running premium cache
 To change the cluster size on a running premium cache with clustering enabled, click **Cluster Size** from the **Resource menu**.