First pass at removing dead vertical writing mode code.

sky/engine/core/rendering/RenderText.cpp

Index: sky/engine/core/rendering/RenderText.cpp
diff --git a/sky/engine/core/rendering/RenderText.cpp b/sky/engine/core/rendering/RenderText.cpp
index a5d0938f26e504cebd49dffdbb1650aa3294a4af..5d5b1a500be553170b6e97d0a6f0fb469be00476 100644
--- a/sky/engine/core/rendering/RenderText.cpp
+++ b/sky/engine/core/rendering/RenderText.cpp
@@ -604,7 +604,7 @@ LayoutRect RenderText::localCaretRect(InlineBox* inlineBox, int caretOffset, Lay
         left = std::max(left, rootLeft);
     }
 
-    return style()->isHorizontalWritingMode() ? IntRect(left, top, caretWidth, height) : IntRect(top, left, height, caretWidth);
+    return IntRect(left, top, caretWidth, height);
 }
 
 ALWAYS_INLINE float RenderText::widthFromCache(const Font& f, int start, int len, float xPos, TextDirection textDirection, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow* glyphOverflow) const