Remove the reference, that this applies just to kURL installations

Author: IgorBenko

docs/self-hosted/kubernetes-maintenance.md

@@ -33,8 +33,8 @@ Replace `NAMESPACE` with the namespace in your cluster where KOTS is installed.
 
 ### Update or replace the SSL certificate
 
-The following applies only to kURL installations. To update or replace the certificate, you must first restore the ability 
-to upload new TLS certificates and then reupload the certificate through the user interface. Please refer to 
-the [Replicated documentation](https://docs.replicated.com/enterprise/updating-tls-cert#update-custom-tls-certificates) 
+To update or replace the certificate, you must first restore the ability to upload new TLS certificates and then reupload 
+the certificate through the user interface. Please refer to the 
+[Replicated documentation](https://docs.replicated.com/enterprise/updating-tls-cert#update-custom-tls-certificates) 
 for detailed instructions.