Cloud: remove unsupported in Cloud badge for UNDROP statement

[Blargian]

Summary

Removes the badge stating UNDROP is not supported in Cloud.

Checklist

• Delete items not relevant to your PR
• URL changes should add a redirect to the old URL via https://github.com/ClickHouse/clickhouse-docs/blob/main/docusaurus.config.js
• If adding a new integration page, also add an entry to the integrations list here: https://github.com/ClickHouse/clickhouse-docs/blob/main/docs/integrations/index.mdx

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
clickhouse-docs	Ready	Preview	Comment	Oct 14, 2025 0:40am

3 Skipped Deployments

Project	Deployment	Preview	Comments	Updated (UTC)
clickhouse-docs-jp	Ignored			Oct 14, 2025 0:40am
clickhouse-docs-ru	Ignored			Oct 14, 2025 0:40am
clickhouse-docs-zh	Ignored			Oct 14, 2025 0:40am