Tests

Remove dead code #18236

Job	Run time
Tests (7.4, ubuntu-latest)	1m 26s
Tests (7.4, windows-latest)	1m 23s
Tests (8.0, ubuntu-latest)	1m 22s
Tests (8.0, windows-latest)	1m 26s
Tests (8.1, ubuntu-latest)	1m 19s
Tests (8.1, windows-latest)	1m 26s
Tests (8.2, ubuntu-latest)	1m 23s
Integration tests (ubuntu-latest)	35s
Tests (8.2, windows-latest)	1m 23s
Integration tests (windows-latest)	1m 24s
Tests (8.3, ubuntu-latest)	1m 26s
Tests (8.3, windows-latest)	1m 25s
Determine levels tests matrix	29s
Tests (8.4, ubuntu-latest)	1m 19s
Tests (8.4, windows-latest)	1m 23s
Levels tests	1s
	19m 10s

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