Temporarily remove Confidential Containers documentation

[chenopis]

Requested by Mahesh Yeole.

Signed-off-by: Andrew Chen [email protected]

[github-actions]

Documentation preview

https://nvidia.github.io/cloud-native-docs/review/pr-258

[Copilot]

Pull Request Overview

This PR temporarily removes all documentation related to Confidential Containers support from the GPU Operator documentation. The purpose is to remove references to Confidential Containers functionality that is likely being deprecated or undergoing significant changes.

• Removes the Confidential Containers documentation file entirely
• Removes references to Confidential Containers from table of contents and cross-references
• Updates installation instructions to remove Confidential Container Operator steps

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
gpu-operator/index.rst	Removes Confidential Containers entry from the toctree
gpu-operator/gpu-operator-kata.rst	Removes included Confidential Container Operator installation steps
gpu-operator/gpu-operator-confidential-containers.rst	Complete removal of the Confidential Containers documentation file
gpu-operator/getting-started.rst	Removes reference to Confidential Containers documentation in cross-reference list

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[a-mccarthy]

approved. but lets hold on merging until we hear more about future plans for this doc/features