remove unsupported versions from Windows VHDs

vhd/packer/configure-windows-vhd.ps1

@@ -105,26 +105,11 @@ function Get-FilesToCacheOnVHD {
             "https://kubernetesartifacts.azureedge.net/csi-proxy/v0.2.2/binaries/csi-proxy-v0.2.2.tar.gz"
         );
         "c:\akse-cache\win-k8s\"      = @(
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.16.14-azs/windowszip/v1.16.14-azs-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.16.15-azs/windowszip/v1.16.15-azs-1int.zip",
             "https://kubernetesartifacts.azureedge.net/kubernetes/v1.17.17-azs/windowszip/v1.17.17-azs-1int.zip",
             "https://kubernetesartifacts.azureedge.net/kubernetes/v1.18.15-azs/windowszip/v1.18.15-azs-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.16.13/windowszip/v1.16.13-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.16.13-hotfix.20200714/windowszip/v1.16.13-hotfix.20200714-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.16.13-hotfix.20200817/windowszip/v1.16.13-hotfix.20200817-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.16.14/windowszip/v1.16.14-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.16.15/windowszip/v1.16.15-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.17.13/windowszip/v1.17.13-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.17.16/windowszip/v1.17.16-1int.zip",
             "https://kubernetesartifacts.azureedge.net/kubernetes/v1.17.17/windowszip/v1.17.17-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.18.13/windowszip/v1.18.13-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.18.14/windowszip/v1.18.14-1int.zip",
             "https://kubernetesartifacts.azureedge.net/kubernetes/v1.18.15/windowszip/v1.18.15-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.19.5/windowszip/v1.19.5-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.19.6/windowszip/v1.19.6-1int.zip",
             "https://kubernetesartifacts.azureedge.net/kubernetes/v1.19.7/windowszip/v1.19.7-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.20.0/windowszip/v1.20.0-1int.zip",
-            "https://kubernetesartifacts.azureedge.net/kubernetes/v1.20.1/windowszip/v1.20.1-1int.zip",
             "https://kubernetesartifacts.azureedge.net/kubernetes/v1.20.2/windowszip/v1.20.2-1int.zip",
             "https://kubernetesartifacts.azureedge.net/kubernetes/v1.21.0-alpha.3/windowszip/v1.21.0-alpha.3-1int.zip"
         );