Remove deprecated #1915

Job	Run time
Test and lint (ubuntu-latest, 3.8)	2m 13s
Check code formatting with Black, isort, mypy, flake8 (3.8)	39s
Test and lint (ubuntu-latest, 3.9)	4m 11s
Check that transforms docs are not outdated (3.8)	26s
Test and lint (ubuntu-latest, 3.10)	4m 6s
Test and lint (ubuntu-latest, 3.11)	3m 50s
Test and lint (ubuntu-latest, 3.12)	3m 43s
Test and lint (windows-latest, 3.8)	4m 28s
Test and lint (windows-latest, 3.9)	6m 53s
Test and lint (windows-latest, 3.10)	7m 0s
Test and lint (windows-latest, 3.11)	6m 59s
Test and lint (windows-latest, 3.12)	7m 3s
Test and lint (macos-latest, 3.8)	6m 15s
Test and lint (macos-latest, 3.9)	7m 23s
Test and lint (macos-latest, 3.10)	5m 50s
Test and lint (macos-latest, 3.11)	5m 51s
Test and lint (macos-latest, 3.12)	5m 35s
	1h 22m 25s

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