Hmm… ACF may not have a ready solution for this but I believe it is achievable.
One way to achieve this would be to hide the layout name from the popup which appears when you click the ‘add row’ button. Each link had a data-layout attribute i.e. <a ... <em><strong>data-layout='layout_name'</strong></em> ...>layout label</a>. This attribute can be used to hide the layout name from the popup.
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