Revert "test: sort the SVG test list"

This sorted the list of file names used as id for the tests,
resulting in the tests and their pytest-visible names being out of sync.

This reverts commit 4e4910d.

test/test_svg.py

@@ -83,7 +83,7 @@ def pytest_generate_tests(metafunc):
     ]
 
     def filenames(devices: List[SvgDevice]) -> List[str]:
-        return sorted([Path(d.device.layout_filename).name for d in devices])
+        return [Path(d.device.layout_filename).name for d in devices]
 
     if "svgdevice" in metafunc.fixturenames:
         metafunc.parametrize("svgdevice", devices, ids=filenames(devices))