Remove page which no longer exists

[Blargian]

Summary

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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Name	Status	Preview	Comments	Updated (UTC)
clickhouse-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 17, 2025 8:14pm
clickhouse-docs-jp	🔄 Building (Inspect)	Visit Preview	💬 Add feedback	Apr 17, 2025 8:14pm

2 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
clickhouse-docs-ru	⬜️ Ignored (Inspect)	Visit Preview		Apr 17, 2025 8:14pm
clickhouse-docs-zh	⬜️ Ignored (Inspect)	Visit Preview		Apr 17, 2025 8:14pm

[Blargian]

Fixes failing build on #3696