chore(mcp-insights): remove beta callout (#15014)

Author: obostjancic

docs/product/insights/ai/mcp/index.mdx

@@ -4,8 +4,6 @@ sidebar_order: 20
 description: "Learn how to use Sentry's MCP monitoring tools to trace and debug your Model Context Protocol implementations, including server connections, resource access, and tool executions."
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-<Include name="feature-stage-beta.mdx" />
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 Sentry's MCP (Model Context Protocol) monitoring tools help you understand what's happening in your MCP implementations. They automatically collect information about MCP server connections, resource access, tool executions, and errors across your entire MCP pipeline—from client requests to server responses.
 
 ## Example MCP Monitoring Use Cases