Follow ups for the helm-based installation

[aanm]

Follow ups of #717

• Use the helm values stored in the Cilium's config map under the special key io.cilium.cilium-cli to generate hubble manifests
  • The same needs to be done for the upgrade cli option and any other manifests, clustermesh, hubble-ui that can be enabled prior an installation.
• Deprecate cilium-cli flags that are no longer used once all manifests are helm-generated
  • Done for the cilium install command
• Fix --version=

[giaptx]

Hi @aanm,
I see #717 is a good PR to make the setup is consistent.

I think some issues because of different of installation. #427, #515

Hope you can have a look around.
Thank you very much

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Closing.