fix(k8s): remove deprecated versions (#4489)

Author: bene2k1

pages/kubernetes/reference-content/version-support-policy.mdx

@@ -58,16 +58,10 @@ When a minor version becomes unsupported, Scaleway operates an upgrade to the la
 |--------------------|------------------|----------------------|------------------------------|------------------|-------------------|
 | 1.31               | August 2024      | October 28, 2025     | December 2, 2024             | December 2, 2025 | February 2, 2026  |
 | 1.30               | April 2024       | June 28, 2025        | July 9, 2024                 | July 9, 2025     | September 9, 2025 |
-| 1.29               | December 2023    | February 2025        | February 7, 2024             | February 2025    | April 7, 2025*    |
-| 1.28               | August 2023      | October 2024         | August 2023                  | February 2025*   | April 7, 2025*    |
-| 1.27               | April 2023       | June 2024            | April 2023                   | February 2025*   | April 7, 2025*    |
-| 1.26               | December 2022    | February 2024        | February 6, 2023             | February 2025    | March 6, 2025     |
-| 1.25               | August 2022      | October 2023         | February 6, 2023             | February 2025    | March 6, 2025     |
 
 <Message type="important">
-* New support policy: from the release of version 1.29, Scaleway's support window has shifted to 14 months.
-We are discontinuing extended support for outdated upstream Kubernetes releases to ensure you can always benefit from the latest features, bug fixes, enhanced support and maximum security.
-Consequently, versions `1.27` and  `1.28` will have corresponding end of support timelines.
+Scaleway's support window for Kubernetes releases is 14 months.
+Versions prior 1.30 are no longer supported. Please upgrade your clusters to a supported version.
 </Message>
 
 ## Version information
@@ -83,26 +77,6 @@ The following documentation only lists the main feature changes for each version
 * Official [release announcement](https://kubernetes.io/blog/2024/04/17/kubernetes-v1-30-release/)
 * 45 enhancements: 10 are entering alpha, 18 are have graduated to beta, and 17 graduated to stable (see announcement for full list).
 
-### 1.29
-* Official [release announcement](https://kubernetes.io/blog/2023/12/18/kubernetes-1-29-feature-loadbalancer-ip-mode-alpha/)
-* Kubernetes 1.29 includes a total of 11 enhancements promoted to stable, 19 to beta, and 19 to alpha.
-
-### 1.28
-* Official [release announcement](https://kubernetes.io/blog/2023/08/15/kubernetes-v1-28-release/)
-* 45 enhancements: 19 are entering alpha, 14 have graduated to beta, and 12 have graduated to stable.
-
-### 1.27
-* Official [release announcement](https://kubernetes.io/blog/2023/04/11/kubernetes-v1-27-release/)
-* This release consists of 60 enhancements. 18 of those enhancements are entering alpha, 29 are graduating to beta, and 13 are graduating to stable.
-
-### 1.26
-* Official [release announcement](https://kubernetes.io/blog/2022/12/09/kubernetes-v1-26-release/)
-* 11 features graduated to GA, 12 features deprecated or removed.
-
-### 1.25
-* Official [release announcement](https://kubernetes.io/blog/2022/08/23/kubernetes-v1-25-release/)
-* 13 enhancements graduated to GA (see announcement for full list).
-
 ## Supported Container Network Interfaces (CNI)
 
 Starting from Kubernetes version 1.25 launch: