docs: #3621472 Remove the non-existent /node/{node}/canvas/default route from the README

Rajab Natshahrequested to merge
issue/canvas_override-3621472:3621472-readme-canvas-default-route into 1.0.x

Issue: https://www.drupal.org/project/canvas_override/issues/3621472

Summary

The README's Routes table documented /node/{node}/canvas/default, but the module defines no such route and the path 404s (verified in a browser on plain Drupal core 11.4.5 and Drupal CMS 2.0).

This removes the stale row and explains that the shared default layout is instead edited through Canvas's own "Edit template" tab, gated by the module's edit canvas default template permissions.

AI-Generated: Yes (fix authored with Claude Code; reviewed by Rajab Natshah.)

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  • File an issue about this project
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  • Testing to ensure no regression
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  • UX/UI designer responsibilities
  • Accessibility and Readability
  • Reviewed by a human
  • Code review by maintainers
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  • Update Release Notes
  • Release
Edited by Rajab Natshah

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