patch script to remove last modified lines from site-index.json

[dawnkelly09]

📝 Description

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Removes the last modified lines from site-index.json outputs to reduce excessive merge conflicts.

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[Copilot]

Pull Request Overview

This PR removes the last_modified field from the site-index.json file to reduce merge conflicts that occur when multiple contributors update documentation simultaneously. The change modifies the generation script to exclude modification timestamps from the output, resulting in a cleaner generated JSON file that only changes when actual content is updated.

• Removes last_modified timestamp field from site index generation logic
• Updates generated site-index.json to remove all existing last_modified entries

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
scripts/generate_site_index.py	Removes line that adds last_modified field to page metadata dictionary
.ai/site-index.json	Removes all last_modified timestamp entries from generated site index

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[nhussein11]

Thank you! 🙏