Remove double load_defaults calls. #2444

Job	Run time
Shellcheck	5s
Cache identify	5s
Dependency	3s
Prepare	8s
Ruff check and force	11s
Check commit	34s
Run pytest using Python 3.13	23s
Process test coverage	19s
Run mypy	-1s
Process test complexity	8s
Build and publish Python 🐍 distributions 📦 to TestPyPI	22s
	2m 17s

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