Update scripts/vlac2_release_common.py for direct data extraction layout

scripts/vlac2_release_common.py

@@ -64,15 +64,13 @@ def ensure_release_tree(release_root: Path) -> dict[str, Path]:
     release_root = release_root.resolve()
     paths = {
         "release_root": release_root,
-        "raw_root": release_root / "vlac2_release_data",
+        "raw_root": release_root / "data",
         "benchmark_root": release_root / PUBLIC_BENCHMARK_DIRNAME,
         "portable_image_root": release_root / PORTABLE_IMAGE_ROOT,
         "scripts_root": release_root / "scripts",
     }
     for key in ("release_root", "raw_root", "benchmark_root", "scripts_root"):
         paths[key].mkdir(parents=True, exist_ok=True)
-    for dataset_name in KNOWN_DATASET_NAMES:
-        (paths["raw_root"] / dataset_name).mkdir(parents=True, exist_ok=True)
     return paths