Removed TP snippet from kubernetes custom actions (#1152)

Author: pabel-rh

assemblies/assembly-using-kubernetes-custom-actions.adoc

@@ -1,8 +1,6 @@
 [id='con-Kubernetes-custom-actions_{context}']
 = Kubernetes custom actions in {product}
 
-include::{docdir}/artifacts/snip-technology-preview.adoc[]
-
 With Kubernetes custom actions, you can create and manage Kubernetes resources.
 
 The Kubernetes custom actions plugin is preinstalled and disabled on a {product-short} instance by default. You can disable or enable the Kubernetes custom actions plugin, and change other parameters, by configuring the {product} Helm chart.