修复bug

src/view/case/draw/board/editCAD/Layer.js

@@ -182,14 +182,6 @@ export default class Layer {
         break;
       case LayerEvents.PanBackGround:
         break;
-      case LayerEvents.MoveBgImage:
-        needAutoRedraw = true;
-        if (draggingItem != null) {
-          moveCustomImage.moveFullCustomImage(dx, dy, draggingItem.vectorId);
-          this.lastX = X;
-          this.lastY = Y;
-        }
-        break;
       case LayerEvents.AddWall:
         stateService.clearDraggingItem();
         stateService.clearFocusItem();