Remove webkit-line-clamp

sky/engine/core/rendering/style/StyleRareNonInheritedData.h

Index: sky/engine/core/rendering/style/StyleRareNonInheritedData.h
diff --git a/sky/engine/core/rendering/style/StyleRareNonInheritedData.h b/sky/engine/core/rendering/style/StyleRareNonInheritedData.h
index 59a5bd98040b3a78658b307307b21d71b5dfc758..fb301d1edcbec6afaab1aa9254d582377d151697 100644
--- a/sky/engine/core/rendering/style/StyleRareNonInheritedData.h
+++ b/sky/engine/core/rendering/style/StyleRareNonInheritedData.h
@@ -32,7 +32,6 @@
 #include "sky/engine/core/rendering/style/CursorData.h"
 #include "sky/engine/core/rendering/style/DataRef.h"
 #include "sky/engine/core/rendering/style/FillLayer.h"
-#include "sky/engine/core/rendering/style/LineClampValue.h"
 #include "sky/engine/core/rendering/style/NinePieceImage.h"
 #include "sky/engine/core/rendering/style/RenderStyleConstants.h"
 #include "sky/engine/core/rendering/style/ShapeValue.h"
@@ -90,8 +89,6 @@ public:
     Length m_perspectiveOriginX;
     Length m_perspectiveOriginY;
 
-    LineClampValue lineClamp; // An Apple extension.
-
     DataRef<StyleFlexibleBoxData> m_flexibleBox;
     DataRef<StyleTransformData> m_transform; // Transform properties (rotate, scale, skew, etc.)
     DataRef<StyleWillChangeData> m_willChange; // CSS Will Change