Remove Old Templates

[0xlukem]

📝 Description

This PR removes old templates and their outdated styling.
This PR needs to be merged with the other one: papermoonio/polkadot-mkdocs#202

🔍 Review Preference

Choose one:

• ✅ I have time to handle formatting/style feedback myself
• ⚡ Docs team handles formatting (check "Allow edits from maintainers")

🤖 AI-Ready Docs

If content changed, regenerate AI files:

• ✅ I ran python3 scripts/generate_llms.py
• ⚡ Docs team will regenerate (check "Allow edits from maintainers")

✅ Checklist

• Changes tested
• PaperMoon Style Guide followed

[Copilot]

Pull request overview

This PR removes outdated template configurations and consolidates support documentation pages into a single, more maintainable structure. The changes streamline the documentation by removing the template: root-subdirectory-page.html directive and merging three separate support pages into one comprehensive support hub.

Key changes:

• Removed template directive from glossary frontmatter
• Consolidated three support pages (get-in-touch, explore-resources, and main support) into a single unified support page with organized sections
• Updated heading terminology from "Download" to "Access" for LLM files to better reflect the available actions

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
reference/glossary.md	Removed outdated template directive from frontmatter
llms.txt	Updated documentation page count from 127 to 125 and removed references to deleted support pages
llms-full.jsonl	Removed JSON entries for deleted pages and added new consolidated support page structure with three main sections: Support Channels, Community Resources, and AI Resources
.ai/site-index.json	Updated site index to reflect page consolidation, removed two page entries, and updated metadata for the main support page
.ai/pages/get-support.md	Restructured and expanded to incorporate content from deleted pages, organizing support channels, community resources, and AI resources into a single page
.ai/pages/get-support-get-in-touch.md	Deleted - content consolidated into main support page
.ai/pages/get-support-explore-resources.md	Deleted - content consolidated into main support page
.ai/pages/get-support-ai-ready-docs.md	Changed section heading from "Download LLM Files" to "Access LLM Files"

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