remove `KLU` and `UMFPACK` from the default#456

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oscardssmith wants to merge 1 commit intoSciML:mainfrom oscardssmith:remove-klu-and-umfpack-from-default

+17-10

Commits on Jan 7, 2024

UMFPACK and KLU both throw errors with singular matrices that are not especially easy to silence
oscardssmith
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