doc cloud minimum replication factor (#115)

* doc cloud minimum replication factor

* Rephrase, from Matt's review

If a topic is created with a replication factor of 1, Redpanda resets the replication factor to 3.

Author: micheleRP

modules/get-started/pages/create-topic.adoc

@@ -14,9 +14,7 @@ After creating a cluster, you can create a topic for that cluster. Topic propert
 | The number of partitions for the topic.
 
 | *Replication factor*
-| The number of partition replicas for the topic. In Redpanda Cloud, the number of topic replicas is set to three. 
-
-IMPORTANT: Redpanda recommends that you do not change the replication factor value without discussing potential outcomes with your Redpanda support or customer success contact. In particular, updating the value for running Redpanda Cloud topics to a replication factor of one is _not_ recommended. If you do so, and data is lost, Redpanda is unable to assist with recovery. 
+| The number of partition replicas for the topic. Redpanda Cloud requires a minimum of 3 topic replicas. If a topic is created with a replication factor of 1, Redpanda resets the replication factor to 3. 
 
 | *Cleanup policy*
 | The policy that determines how to clean up old log segments. The default is *delete*.