Remove localization for module homepage URLs

## Feature Description

Currently, the homepage URLs for all modules are localized. This is incorrect as we can't expect (community) localisers to know the right URL to send users to. Also, it does pose a certain security risk. We should remove it.

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## Acceptance criteria

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## Implementation Brief

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### Test Coverage

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## QA Brief

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## Changelog entry

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Start by tracing how module homepage URLs are localized in the repository and identify the module URL handling and relevant tests. Done means module homepage URLs are no longer localized, with coverage confirming the canonical URLs remain unchanged for users across locales.

Written by the indexing model from the issue text.