Remove a bunch of OS(MACOSX) code

sky/engine/core/rendering/RenderBlockLineLayout.cpp

Index: sky/engine/core/rendering/RenderBlockLineLayout.cpp
diff --git a/sky/engine/core/rendering/RenderBlockLineLayout.cpp b/sky/engine/core/rendering/RenderBlockLineLayout.cpp
index 9c10a78de48e00c19af0231193e1d0b0b500eec3..376a34f7440fb478e2fa3bc87819a0f90ca87038 100644
--- a/sky/engine/core/rendering/RenderBlockLineLayout.cpp
+++ b/sky/engine/core/rendering/RenderBlockLineLayout.cpp
@@ -363,13 +363,7 @@ static inline void setLogicalWidthForTextRun(RootInlineBox* lineBox, BidiRun* ru
 
     bool kerningIsEnabled = font.fontDescription().typesettingFeatures() & Kerning;
 
-#if OS(MACOSX)
-    // FIXME: Having any font feature settings enabled can lead to selection gaps on
-    // Chromium-mac. https://bugs.webkit.org/show_bug.cgi?id=113418
-    bool canUseSimpleFontCodePath = renderer->canUseSimpleFontCodePath() && !font.fontDescription().featureSettings();
-#else
     bool canUseSimpleFontCodePath = renderer->canUseSimpleFontCodePath();
-#endif
 
     // Since we don't cache glyph overflows, we need to re-measure the run if
     // the style is linebox-contain: glyph.