移除无用变量

lib/interfaces/process/items/item_feature.dart

@@ -46,9 +46,6 @@ abstract class IMeasureItemFeature {
 
   /// 灌注图 绘制
   void paintPerfusion(Canvas canvas, Size size);
-
-  /// 设置URM 双幅图
-  void setURMDualImages(bool? isURMDualImages);
 }
 
 /// 测试项单次快照样式配置

lib/process/items/item_feature.dart

@@ -28,8 +28,6 @@ abstract class MeasureItemFeature implements IMeasureItemFeature {
   int _activeIndex = -1;
   Rect? zoomRect; // 当前缩放区域的归一化坐标
 
-  bool? isURMDualImages; // 是否是URM 双幅图
-
   @override
   int? frameIndex;
 
@@ -202,11 +200,6 @@ abstract class MeasureItemFeature implements IMeasureItemFeature {
     zoomRect = rect;
   }
 
-  @override
-  void setURMDualImages(bool? isURMDual) {
-    isURMDualImages = isURMDual;
-  }
-
   @override
   void paintPerfusion(
     Canvas canvas,