[KubeRay] Remove unused YAMLs

[kevin85421]

Why are these changes needed?

After #53833, doc/source/cluster/kubernetes/configs/static-ray-cluster-networkpolicy.yaml and doc/source/cluster/kubernetes/configs/static-ray-cluster.with-fault-tolerance.yaml are no longer used.

Related issue number

Checks

• I've signed off every commit(by using the -s flag, i.e., git commit -s) in this PR.
• I've run scripts/format.sh to lint the changes in this PR.
• I've included any doc changes needed for https://docs.ray.io/en/master/.
  • I've added any new APIs to the API Reference. For example, if I added a
    method in Tune, I've added it in doc/source/tune/api/ under the
    corresponding .rst file.
• I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
• Testing Strategy
  • Unit tests
  • Release tests
  • This PR is not tested :(

[Copilot]

Pull Request Overview

Removes three deprecated Kubernetes YAML configurations from the docs that are no longer used after the recent refactoring.

• Delete unused fault-tolerance config
• Delete unused network-policy config
• Delete unused migration example

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
doc/source/cluster/kubernetes/configs/static-ray-cluster.with-fault-tolerance.yaml	Remove unused Redis fault-tolerance YAML
doc/source/cluster/kubernetes/configs/static-ray-cluster-networkpolicy.yaml	Remove unused network policy YAML
doc/source/cluster/kubernetes/configs/migration-example.yaml	Remove unused RayCluster migration example YAML

Comments suppressed due to low confidence (3)

doc/source/cluster/kubernetes/configs/static-ray-cluster.with-fault-tolerance.yaml:1

• Ensure that all references to static-ray-cluster.with-fault-tolerance.yaml are removed or updated in the documentation to avoid broken links or stale examples.

-# This section is only required for deploying Redis on Kubernetes for the purpose of enabling Ray

doc/source/cluster/kubernetes/configs/static-ray-cluster-networkpolicy.yaml:1

• Check for any documentation pages or CI scripts that reference static-ray-cluster-networkpolicy.yaml and remove or update those links.

-# If your Kubernetes has a default deny network policy for pods, you need to manually apply this network policy

doc/source/cluster/kubernetes/configs/migration-example.yaml:1

• Verify that the migration example isn’t referenced elsewhere in the docs or examples directory, and remove any residual pointers to this file.

-apiVersion: ray.io/v1alpha1

[kevin85421]

cc @jjyao would you mind merging this PR? Thanks!

[jjyao]

cc @dayshah for code approval.