Powershell: remove Enable-Hyper-V function

This function no longer appears to be used within the windows stemcell
repositoires. This was likely needed for versions of Windows older than
the one currently being built (windows-2019).

Author: aramprice

modules/BOSH.Utils/BOSH.Utils.Tests.ps1

@@ -497,20 +497,4 @@ Describe "BOSH.Utils" {
             { New-VersionFile } | Should -Throw '-Version parameter must be specified as major.minor`[.whatever`]'
         }
     }
-
-    Describe "Enable-Hyper-V" {
-
-        AfterEach {
-            Disable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V -norestart
-        }
-
-        It "Enables Hyper V" {
-            getWindowsOptionalFeatureState("Microsoft-Hyper-V") | Should -MatchExactly "Disabled"
-
-            Enable-Hyper-V
-
-            getWindowsOptionalFeatureState("Microsoft-Hyper-V") | Should -MatchExactly "Enabled"
-        }
-
-    }
 }

modules/BOSH.Utils/BOSH.Utils.psd1

@@ -26,8 +26,7 @@
         'Get-OSVersionString',
         'Get-WinRMConfig',
         'Get-WUCerts',
-        'New-VersionFile',
-        'Enable-Hyper-V'
+        'New-VersionFile'
     )
     CmdletsToExport = @()
     VariablesToExport = '*'

modules/BOSH.Utils/BOSH.Utils.psm1

@@ -436,8 +436,3 @@ function Invoke-Remove-Item
     )
     Remove-Item -path $path
 }
-
-function Enable-Hyper-V
-{
-    Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V -All -norestart
-}