Merge pull request #46855 from Amrita42/BZ1940773

 control plan machines can not be deleted

Author: jab-rh

machine_management/deleting-machine.adoc

@@ -9,3 +9,9 @@ toc::[]
 You can delete a specific machine.
 
 include::modules/machine-delete.adoc[leveloffset=+1]
+
+[role="_additional-resources"]
+[id="additional-resources_unhealthy-etcd-member"]
+== Additional resources
+
+* xref:../backup_and_restore/control_plane_backup_and_restore/replacing-unhealthy-etcd-member.adoc[Replacing an unhealthy etcd member].

modules/machine-delete.adoc

@@ -7,7 +7,12 @@
 [id="machine-delete_{context}"]
 = Deleting a specific machine
 
-You can delete a specific machine.
+You can delete a specific machine. 
+
+[NOTE]
+====
+You cannot delete a control plane machine.
+====  
 
 .Prerequisites