Revert "Check that nothing gets printed on stderr or stdout"

This reverts commit 03cee25.

Author: NicolasHug

test/conftest.py

@@ -63,11 +63,3 @@ def prevent_leaking_rng():
     random.setstate(builtin_rng_state)
     if torch.cuda.is_available():
         torch.cuda.set_rng_state(cuda_rng_state)
-
-
-@pytest.fixture(autouse=True)
-def check_no_stdout_or_stderr(capsys):
-    yield
-    captured = capsys.readouterr()
-    assert not captured.out, "stdout output detected"
-    assert not captured.err, "stderr output detected"