remove stale dataset version validated_datasets/elite_2025-03_game/validated-20260226T151127Z

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validated_datasets/elite_2025-03_game/validated-20260226T151127Z/elite_2025-03_game_validated-20260226T151127Z.tar.gz

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validated_datasets/elite_2025-03_game/validated-20260226T151127Z/manifest.json

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-{
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