chore(elasticsearch): deprecate all APIs except ElasticsearchVersion

[kaizencc]

Closes #16530.

Depends on #16529.

This PR deprecates all APIs in elasticsearch in favor of the opensearchservice module. However, it does not deprecate elasticsearch as a module, since there are rules in place that disallow stable modules (like cloudformation-include) from depending on deprecated modules. See #19392.

ElasticsearchVersion was not deprecated due to a quirk in how the module is imported. It looks like, on import, the static properties public static readonly V7_10 = ElasticsearchVersion.of('7.10'); actually tries to make the api call of(), which is deprecated. So imports fail with a message about using the deprecated api ElasticsearchVersion.of().

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[gitpod-io]

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