[incubator/schema-registry] Kafkastore.replication.factor is unused (#8398)

* Replication factor does not make sense for consumer

Signed-off-by: Alex Alvarez <dominalexican@gmail.com>

* bumping version

Signed-off-by: Alex Alvarez <dominalexican@gmail.com>

incubator/schema-registry/Chart.yaml

@@ -1,6 +1,6 @@
 name: schema-registry
 home: https://docs.confluent.io/current/schema-registry/docs/index.html
-version: 1.0.1
+version: 1.0.2
 appVersion: 4.1.1
 keywords:
   - confluent

incubator/schema-registry/values.yaml

@@ -17,8 +17,7 @@ replicaCount: 1
 
 ## Schema Registry Settings Overrides
 ## Configuration Options can be found here: https://docs.confluent.io/current/schema-registry/docs/config.html
-configurationOverrides:
-  kafkastore.topic.replication.factor: 1
+configurationOverrides: {}
 
 ## Configure resource requests and limits
 ## ref: http://kubernetes.io/docs/user-guide/compute-resources/