Fixed typo in parseCapabilityVersion, and removed unused error

[eyJhb]

Stumbled upon this typo when doing #2643 , and thought I might as well change it.
Discovered that the error is no longer used, after #2398 was merged.

• have read the CONTRIBUTING.md file
• raised a GitHub issue or discussed it on the projects chat beforehand
• added unit tests
• added integration tests
• updated documentation if needed
• updated CHANGELOG.md

[ghost]

Pull Request Revisions

Revision	Description
r2	Removed robots.txt endpoint handler Deleted the RobotsHandler and its route registration from the application, removing the previously added /robots.txt endpoint
r1	Added robots.txt endpoint handler Implemented a new /robots.txt endpoint handler to prevent web crawlers from accessing the server

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✅ AI review completed for r2

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[eyJhb]

I don't think I can do anything about the linting error, otherwise, please correct me if there is anything more I need to do.