Comment out 'Attach Debugger' section in simulation guide

The debugger attachment workflow needs more work and testing before
being documented. The section remains in the file as a comment for
future reference once the feature is verified.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: robtaylor

docs/simulation-guide.rst

@@ -284,20 +284,20 @@ This starts the CXXRTL debug server and prints:
 
     Waiting for debugger on localhost:37268
 
-Attach Debugger
-~~~~~~~~~~~~~~~
+.. Attach Debugger
+   ~~~~~~~~~~~~~~~
 
-1. Install the RTL Debugger extension in VS Code
-2. Open the command palette (Cmd+Shift+P / Ctrl+Shift+P)
-3. Run "RTL Debugger: Connect to CXXRTL Server"
-4. Enter the host:port from the simulation output
+   1. Install the RTL Debugger extension in VS Code
+   2. Open the command palette (Cmd+Shift+P / Ctrl+Shift+P)
+   3. Run "RTL Debugger: Connect to CXXRTL Server"
+   4. Enter the host:port from the simulation output
 
-You can now:
+   You can now:
 
-- View signal values in real-time
-- Set breakpoints on signal conditions
-- Step through clock cycles
-- Inspect design hierarchy
+   - View signal values in real-time
+   - Set breakpoints on signal conditions
+   - Step through clock cycles
+   - Inspect design hierarchy
 
 Event Logging for Testing
 --------------------------