cull(engine-cleanup): pass-8 phase-2 cascade round 1

[trim] fully-unreachable files deleted: 6
[trim] files edited: 55, files deleted: 0, nodes removed: 244
[type-trim] files edited: 1, types removed: 1

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

SVSim.BattleEngine/Engine/Wizard/ShopDrumrollScrollItem.cs

@@ -15,8 +15,6 @@ public class ShopDrumrollScrollItem : MonoBehaviour
 	[SerializeField]
 	private GameObject _objBadge;
 
-	private List<string> _assetPathList = new List<string>();
-
 	private void Awake()
 	{
 		_ = _objNewMark != null;