chore: crds are installed by the operator (#428)

Author: sweb

docs/modules/commons-operator/pages/installation.adoc

@@ -56,6 +56,7 @@ Install the Stackable Commons Operator
 $ helm install --wait commons-operator \
   oci://oci.stackable.tech/sdp-charts/commons-operator --version 24.7.0
 
-Helm will deploy the operator in Kubernetes and apply the CRDs.
+Helm will deploy the operator in Kubernetes.
+The operator installs and maintains its own CRDs at startup (see xref:concepts:maintenance/crds.adoc[]).
 --
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