cleanup documentation conf.py #1174

Job	Run time
Run CI / Build / Build	1m 4s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.8)	48s
Run CI / Generate docs / Generate docs	57s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.9)	52s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.10)	49s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.11)	43s
Run CI / Run unit tests / Run unit tests (ubuntu-latest, 3.12)	58s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.8)	2m 26s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.9)	1m 15s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.10)	1m 48s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.11)	1m 47s
Run CI / Run unit tests / Run unit tests (windows-latest, 3.12)	1m 55s
Run CI / Run system tests / Run system tests (win-10-py32)	36m 45s
Run CI / Run system tests / Run system tests (win-10-py64)	35m 21s
Run CI / Report test results / Report test results	11s
	1h 27m 39s

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