Remove some potential dead-code. (#1273) #2600

Job	Run time
check_release	1m 49s
build (ubuntu-latest, 3.8)	6m 19s
build (ubuntu-latest, 3.12)	3m 25s
link_check	3m 18s
build (windows-latest, 3.8)	10m 57s
build (windows-latest, 3.12)	9m 35s
Make SDist	25s
build (macos-latest, 3.8)	8m 2s
test_docs	47s
build (macos-latest, 3.12)	6m 4s
Test Lint	1m 12s
Test Minimum Versions	2m 21s
build (windows-latest, 3.9)	9m 32s
Test Prereleases	2m 15s
build (ubuntu-latest, pypy-3.9)	3m 12s
build (macos-latest, 3.10)	4m 58s
test_without_debugpy (ubuntu-latest, 3.9)	2m 5s
build (ubuntu-latest, 3.11)	3m 5s
Install from SDist and Test	2m 1s
coverage	0s
tests_check	2s
	1h 21m 24s

Provide feedback