Drops "Hecho con Angular, Analog y Nx." and the API link beside it,
leaving the copyright line on its own.
`footer.built` goes with it in all three locales. So does `footer.api`,
which was already dead -- declared and translated, never rendered.
The row's flex and space-between existed only to push the credit to the
far end, so they go too.
Verified in es/en/ca: no trace of the credit or the docs link in the
served HTML, and the copyright line renders in each.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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