Delete a ton more dead vertical writing mode code.

sky/engine/core/rendering/InlineBox.cpp

Index: sky/engine/core/rendering/InlineBox.cpp
diff --git a/sky/engine/core/rendering/InlineBox.cpp b/sky/engine/core/rendering/InlineBox.cpp
index ee657f6a3c91eb134efc9252f7fa473757be0c59..efa44a93fdd4a4a094108532f8e68988ae707bb8 100644
--- a/sky/engine/core/rendering/InlineBox.cpp
+++ b/sky/engine/core/rendering/InlineBox.cpp
@@ -197,9 +197,6 @@ void InlineBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, Layo
         return;
 
     LayoutPoint childPoint = paintOffset;
-    if (parent()->renderer().style()->isFlippedBlocksWritingMode()) // Faster than calling containingBlock().
-        childPoint = renderer().containingBlock()->flipForWritingModeForChild(&toRenderBox(renderer()), childPoint);
-
     RenderBlock::paintAsInlineBlock(&renderer(), paintInfo, childPoint);
 }
 
@@ -209,9 +206,6 @@ bool InlineBox::nodeAtPoint(const HitTestRequest& request, HitTestResult& result
     // own stacking context.  (See Appendix E.2, section 6.4 on inline block/table elements in the CSS2.1
     // specification.)
     LayoutPoint childPoint = accumulatedOffset;
-    if (parent()->renderer().style()->isFlippedBlocksWritingMode()) // Faster than calling containingBlock().
-        childPoint = renderer().containingBlock()->flipForWritingModeForChild(&toRenderBox(renderer()), childPoint);
-
     return renderer().hitTest(request, result, locationInContainer, childPoint);
 }