remove preview banner

Author: mabuyo

docs/source/index.mdx

@@ -6,12 +6,6 @@ redirectFrom:
     - /apollo-mcp-server/guides
 ---
 
-<PreviewFeature>
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-This feature is in [preview](/graphos/resources/feature-launch-stages#preview). Your questions and feedback are highly valued—don't hesitate to get in touch with your Apollo contact or post in the [Apollo Community MCP Server Category](https://community.apollographql.com/c/mcp-server/41).
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-</PreviewFeature>
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 Apollo MCP Server provides a standard way for AI models to access and orchestrate your APIs running with Apollo.
 
 ## What is MCP?