fix: Delete duplicate client pages

[peasee]

🗣 Description

• Deletes duplicate client pages introduced from Improve the SQL reference including Search functions #986

[github-actions]

✅ Pull with Spice Passed

Passing checks:

• ✅ Title meets minimum length requirement (10 characters)
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• ✅ Has at least one assignee: peasee

[github-actions]

🔍 Pull with Spice Failed

Passing checks:

• ✅ Title meets minimum length requirement (10 characters)
• ✅ No banned labels detected
• ✅ Has at least one assignee: peasee

Failed checks:

• ❌ Please select at least one of the required labels for this pull request: area/blog, area/docs, area/cookbook, dependencies

Please address these issues and update your pull request.

[github-actions]

🚀 deployed to https://aaeca465.spiceai-org-website.pages.dev