[Umbrella] Remove the RayCluster `.Status.State` field

[rueian]

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• I had searched in the issues and found no similar feature requirement.

Description

In the progress of ray-project/enhancements#54, we have added the new .Status.Conditions field to replace the single .Status.State. The next step is to remove the .Status.State field. It is a long-term process, starting from deprecating the field. This issue is meant to track the whole progress.

• [Feature][RayCluster]: Deprecate the RayCluster .Status.State field #2288
• Document the deprecation in v1.2.0.
• Remove its +kubebuilder:printcolumn annotation in v1.3.0 if the new .Status.Conditions field works well.
• Remove the .Status.State in v2.0.0 if the new .Status.Conditions field works well.

Use case

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Related issues

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Are you willing to submit a PR?

• Yes I am willing to submit a PR!

[JasonChen86899]

I have reviewed the document and briefly summarized the status of this field .Status.Conditions

1. RayClusterSuspending
2. RayClusterSuspended
3. RayClusterAvailable / RayClusterReady
4. RayClusterK8sFailure
5. RayClusterReplicaFailure