Anka disable beta seed (#4564)

* Remove current beta seed program

* format unenroll output

Author: al-cheb

images.CI/macos/anka/CreateCleanAnkaTemplate.ps1

@@ -64,6 +64,10 @@ function Invoke-SoftwareUpdate {
 
     $ipAddress = Get-AnkaVMIPAddress -VMName $TemplateName
 
+    # Unenroll Seed
+    Write-Host "`t[*] Reseting the seed before requesting stable versions"
+    Remove-CurrentBetaSeed -HostName $ipAddress | Show-StringWithFormat
+
     # Install Software Updates
     # Security updates may not be able to install(hang, freeze) when AutoLogon is turned off
     Write-Host "`t[*] Finding available software"

images.CI/macos/anka/Service.Helpers.psm1

@@ -232,6 +232,17 @@ function Show-StringWithFormat {
     }
 }
 
+function Remove-CurrentBetaSeed {
+    param(
+        [Parameter(Mandatory)]
+        [ValidateNotNullOrEmpty()]
+        [string] $HostName
+    )
+
+    $command = "sudo /System/Library/PrivateFrameworks/Seeding.framework/Versions/Current/Resources/seedutil unenroll"
+    Invoke-SSHPassCommand -HostName $HostName -Command $command | Out-String
+}
+
 function Test-AutoLogon {
     param(
         [Parameter(Mandatory)]