Clean up now unused code #6224

Job	Run time
Shellcheck	6s
Dependency	7s
Cache identify	5s
Prepare	7s
Ruff check and force	10s
Check commit	24s
Run pytest using Python 3.14	15s
Run pytest using Python 3.13	21s
Run mypy	16s
Process test coverage	17s
Process test complexity	10s
Build and publish Python 🐍 distributions 📦 to TestPyPI	13s
	2m 31s

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