rm general signal

GUI/View/Overlay/LineOverlays.cpp

@@ -84,7 +84,6 @@ void HorizontalLineOverlay::onChangedY()
 {
     setBlockOnProperty(true);
     m_item->setPos(y2coo(this->y()));
-    emit m_item->maskGeometryChanged();
     setBlockOnProperty(false);
 }
 
@@ -132,7 +131,6 @@ void VerticalLineOverlay::onChangedX()
 {
     setBlockOnProperty(true);
     m_item->setPos(x2coo(this->x()));
-    emit m_item->maskGeometryChanged();
     setBlockOnProperty(false);
 }