Remove unused and incorrect RenderStyle::initialTextEmphasisColor.

Source/core/rendering/style/RenderStyle.h

Index: Source/core/rendering/style/RenderStyle.h
diff --git a/Source/core/rendering/style/RenderStyle.h b/Source/core/rendering/style/RenderStyle.h
index 03a59cea844f8cb0f10c9c9d92a570543d5d5581..94b7fb146c44e1556923469e6130ee29035aacf3 100644
--- a/Source/core/rendering/style/RenderStyle.h
+++ b/Source/core/rendering/style/RenderStyle.h
@@ -1662,7 +1662,6 @@ public:
     static Length initialPerspectiveOriginX() { return Length(50.0, Percent); }
     static Length initialPerspectiveOriginY() { return Length(50.0, Percent); }
     static Color initialBackgroundColor() { return Color::transparent; }
-    static Color initialTextEmphasisColor() { return TextEmphasisFillFilled; }
     static TextEmphasisFill initialTextEmphasisFill() { return TextEmphasisFillFilled; }
     static TextEmphasisMark initialTextEmphasisMark() { return TextEmphasisMarkNone; }
     static const AtomicString& initialTextEmphasisCustomMark() { return nullAtom; }