Updated the X11 page, add WSL2, remove Xming, etc.

[WesHarrell]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @WesHarrell, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request modernizes the X11 access documentation for HPCs by updating X-server recommendations for various operating systems. It introduces more current solutions like WSL2 and MobaXterm for Windows, refines Linux options, and improves the clarity of the headless display section. The changes aim to provide users with more relevant and up-to-date guidance for setting up graphical user interfaces.

Highlights

• Updated X-server recommendations: The documentation now recommends WSL2 and MobaXterm for Windows users, replacing the previously listed Xming. Linux X-server options have also been updated to include Wayland (using XWayland).
• Removed outdated instructions: Specific instructions and images related to checking MobaXterm's built-in X-server status have been removed to streamline the content.
• Clarified XVFB section: The section on XVFB has been retitled to 'Headless display using XVFB' for better clarity and the example command has been made more generic.

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[github-actions]

Test deployment available at https://callumwalley.github.io/mkdocs-demo-deploy/nesi/support-docs/2026-01-29_x11

Seems the following pages differ;

• X11

See all deployed demo sites