Remove text-combine.

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

Index: sky/engine/core/rendering/style/RenderStyle.h
diff --git a/sky/engine/core/rendering/style/RenderStyle.h b/sky/engine/core/rendering/style/RenderStyle.h
index e844f15ad77688ec06b457824a5f5429426b7253..bbab268fb065e1661e8be51b55fd8c3d823dcaff 100644
--- a/sky/engine/core/rendering/style/RenderStyle.h
+++ b/sky/engine/core/rendering/style/RenderStyle.h
@@ -788,9 +788,6 @@ public:
 
     bool hasMask() const { return rareNonInheritedData->m_mask.hasImage() || rareNonInheritedData->m_maskBoxImage.hasImage(); }
 
-    TextCombine textCombine() const { return static_cast<TextCombine>(rareNonInheritedData->m_textCombine); }
-    bool hasTextCombine() const { return textCombine() != TextCombineNone; }
-
     unsigned tabSize() const { return rareInheritedData->m_tabSize; }
 
     // End CSS3 Getters
@@ -1187,7 +1184,6 @@ public:
     void setTransformOriginY(const Length& l) { SET_VAR(rareNonInheritedData.access()->m_transform, m_y, l); }
     void setTransformOriginZ(float f) { SET_VAR(rareNonInheritedData.access()->m_transform, m_z, f); }
     void setSpeak(ESpeak s) { SET_VAR(rareInheritedData, speak, s); }
-    void setTextCombine(TextCombine v) { SET_VAR(rareNonInheritedData, m_textCombine, v); }
     void setTextDecorationColor(const StyleColor& c) { SET_VAR(rareNonInheritedData, m_textDecorationColor, c); }
     void setTextEmphasisColor(const StyleColor& c) { SET_VAR_WITH_SETTER(rareInheritedData, textEmphasisColor, setTextEmphasisColor, c); }
     void setTextEmphasisFill(TextEmphasisFill fill) { SET_VAR(rareInheritedData, textEmphasisFill, fill); }
@@ -1343,7 +1339,6 @@ public:
     static EClear initialClear() { return CNONE; }
     static LengthBox initialClip() { return LengthBox(); }
     static TextDirection initialDirection() { return LTR; }
-    static TextCombine initialTextCombine() { return TextCombineNone; }
     static TextOrientation initialTextOrientation() { return TextOrientationVerticalRight; }
     static ObjectFit initialObjectFit() { return ObjectFitFill; }
     static LengthPoint initialObjectPosition() { return LengthPoint(Length(50.0, Percent), Length(50.0, Percent)); }