gke/cluster: fix windows: Remove testonly code that installs SSH on W…

…indows nodes

We install SSH on upstream Windows nodes for testing purposes, but we
never want to do this in GKE node pools. Removing this code ensures that
we won't try to do this by mistake.

Bug: 201568414
Change-Id: I85be2d794bdb17c09bc38712a5027bbee2a69fa0

gke/cluster/gce/windows/configure.ps1

@@ -149,13 +149,6 @@ try {
 
   Set-PrerequisiteOptions
 
-  if (Test-IsTestCluster $kube_env) {
-    Log-Output 'Test cluster detected, installing OpenSSH.'
-    FetchAndImport-ModuleFromMetadata 'install-ssh-psm1' 'install-ssh.psm1'
-    InstallAndStart-OpenSsh
-    StartProcess-WriteSshKeys
-  }
-
   Create-Directories
   Download-HelperScripts