Drop the docs index pointer to the root policy files

No-Verification-Needed: doc-only change

Author: maxisbey

docs/index.md

@@ -90,7 +90,6 @@ You wrote two Python functions with type hints and a docstring. The SDK does the
 * Already have a FastAPI or Starlette app? **[Add to an existing app](run/asgi.md)** mounts an MCP server inside it.
 * Hunting an exact error message? **[Troubleshooting](troubleshooting.md)** is keyed by the verbatim text.
 * Wondering what changed in v2? **[What's new in v2](whats-new.md)** is the five-minute tour.
-* What a version number promises, and what is coming: **[Versioning and support policy](https://github.com/modelcontextprotocol/python-sdk/blob/main/VERSIONING.md)** and the **[Roadmap](https://github.com/modelcontextprotocol/python-sdk/blob/main/ROADMAP.md)**.
 * Migrating from v1? Start with the **[Migration Guide](migration.md)**.
 * Hunting for an exact signature? The **[API Reference](api/mcp/index.md)** is generated from the source.
 * Reading with an LLM? This documentation is also published in the [llms.txt](https://llmstxt.org/) format: