Update MCP Optimizer tutorial to use K8s/vMCP path

Replace the deprecated Python-based standalone optimizer tutorial
with a Kubernetes-first walkthrough using VirtualMCPServer and
EmbeddingServer CRDs. Update cross-references in the vMCP optimizer
guide accordingly.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: aponcedeleonch

docs/toolhive/guides-vmcp/optimizer.mdx

@@ -10,9 +10,9 @@ number of tools exposed to clients can grow quickly. The optimizer addresses
 this by filtering tools per request, reducing token usage and improving tool
 selection accuracy.
 
-For the desktop/CLI approach using the MCP Optimizer container, see the
+For a step-by-step tutorial that walks through the full setup, see the
 [MCP Optimizer tutorial](../tutorials/mcp-optimizer.mdx). This guide covers the
-Kubernetes operator approach using VirtualMCPServer and EmbeddingServer CRDs.
+configuration details for the VirtualMCPServer and EmbeddingServer CRDs.
 
 ## Benefits
 
@@ -314,7 +314,8 @@ spec:
 
 ## Related information
 
-- [MCP Optimizer tutorial](../tutorials/mcp-optimizer.mdx) - desktop/CLI setup
+- [MCP Optimizer tutorial](../tutorials/mcp-optimizer.mdx) - end-to-end
+  Kubernetes setup
 - [Optimizing LLM context](../concepts/tool-optimization.mdx) - background on
   tool filtering and context pollution
 - [Configure vMCP servers](./configuration.mdx)