Remove init deprecations from transformer classes #762

Job	Run time
Produce Pull Request payload artifact	3s
validation / lint	24s
unit-tests / unit-tests (windows-latest, 3.14)	47s
unit-tests / unit-tests (macos-latest, 3.14)	12s
unit-tests / unit-tests (macos-latest, 3.10)	19s
unit-tests / unit-tests (ubuntu-latest, 3.10)	16s
unit-tests / unit-tests (ubuntu-latest, 3.14)	12s
unit-tests / unit-tests (windows-latest, 3.10)	37s
unit-tests / tests-done	3s
	2m 53s

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