Merge pull request #3415 from marosset/remove-windows-flavor

Remove WINDOWS_FLAVOR usage and Windows specific dev/ci templates

Author: k8s-ci-robot

docs/book/src/developers/development.md

@@ -530,7 +530,7 @@ With the following environment variables defined, you can build a CAPZ cluster f
 | ------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | `E2E_ARGS`                | `-kubetest.use-ci-artifacts`                                                                                                                                                                             |
 | `KUBERNETES_VERSION`      | `latest` - extract Kubernetes version from https://dl.k8s.io/ci/latest.txt (main's HEAD)<br>`latest-1.25` - extract Kubernetes version from https://dl.k8s.io/ci/latest-1.25.txt (release branch's HEAD) |
-| `WINDOWS_FLAVOR`          | Optional, can be `containerd` or `containerd-2022`, when not specified dockershim is used                                                                                                                |
+| `WINDOWS_SERVER_VERSION`  | Optional, can be `windows-2019` (default) or `windows-2022`                                                                                                                                              |
 | `KUBETEST_WINDOWS_CONFIG` | Optional, can be `upstream-windows-serial-slow.yaml`, when not specified `upstream-windows.yaml` is used                                                                                                 |
 | `WINDOWS_CONTAINERD_URL`  | Optional, can be any url to a `tar.gz` file containing binaries for containerd in the same format as upstream package                                                                                    |