[stable/kibana] deprecating kibana chart

[monotek]

Signed-off-by: André Bauer monotek23@gmail.com

Is this a new chart

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What this PR does / why we need it:

• deprecates the chart in favour of the official chart @ https://github.com/elastic/helm-charts/tree/master/kibana

Which issue this PR fixes

(optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged)

• fixes [stable/kibana] Migration Tracker #14935

Special notes for your reviewer:

• both of the current maintainers are moved away from kibana so this chart is unmaintained anyway. see: [stable/kibana] Migration Tracker #14935 (comment)

Checklist

[Place an '[x]' (no spaces) in all applicable fields. Please remove unrelated fields.]

• DCO signed
• Chart Version bumped
• Variables are documented in the README.md
• Title of the PR starts with chart name (e.g. [stable/mychartname])

[scottrigby]

We just need to do a few more things per https://github.com/helm/charts/blob/master/PROCESSES.md#deprecating-a-chart

I made a github PR suggestion for number 3, but you will also need to address number 6 by adding a similar comment in templates/NOTES.txt.

[scottrigby]

Linking https://github.com/helm/charts/issues/21103

[compleatang]

/lgtm

[k8s-ci-robot]

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