Importer - Remove unused functions (isErrorInCustomData, getSubtypes, validateCustomField)

[eileenmcnaughton]

Overview

Remove function only called from unittest

Before

With that removed we see the next one is not used either

ditto getSubTypes

After

poof

Technical Details

We stopped using this during the re-write. I checked universe & nothing else calls it - although civihr has a function of the same name

Comments

[civibot]

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[totten]

Agree these appear to be unused. MOP.