Remove CSS Grid Layout and grid media queries.

sky/engine/core/css/MediaQueryExp.cpp

 /*
  * CSS Media Query
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 137 matching lines @@
         || mediaFeature == devicePixelRatioMediaFeature
         || mediaFeature == maxDevicePixelRatioMediaFeature
         || mediaFeature == minDevicePixelRatioMediaFeature;
 }
 
 static inline bool featureWithZeroOrOne(const String& mediaFeature, const CSSParserValue* value)
 {
     if (!value->isInt || !(value->fValue == 1 || !value->fValue))
         return false;
 
-    return mediaFeature == gridMediaFeature
-        || (mediaFeature == hoverMediaFeature && !RuntimeEnabledFeatures::hoverMediaQueryKeywordsEnabled());
+    return mediaFeature == hoverMediaFeature && !RuntimeEnabledFeatures::hoverMediaQueryKeywordsEnabled();
 }
 
 static inline bool featureWithAspectRatio(const String& mediaFeature)
 {
     return mediaFeature == aspectRatioMediaFeature
         || mediaFeature == deviceAspectRatioMediaFeature
         || mediaFeature == minAspectRatioMediaFeature
         || mediaFeature == maxAspectRatioMediaFeature
         || mediaFeature == minDeviceAspectRatioMediaFeature
         || mediaFeature == maxDeviceAspectRatioMediaFeature;
 }
 
 static inline bool featureWithoutValue(const String& mediaFeature)
 {
     // Media features that are prefixed by min/max cannot be used without a value.
     return mediaFeature == monochromeMediaFeature
         || mediaFeature == colorMediaFeature
         || mediaFeature == colorIndexMediaFeature
-        || mediaFeature == gridMediaFeature
         || mediaFeature == heightMediaFeature
         || mediaFeature == widthMediaFeature
         || mediaFeature == deviceHeightMediaFeature
         || mediaFeature == deviceWidthMediaFeature
         || mediaFeature == orientationMediaFeature
         || mediaFeature == aspectRatioMediaFeature
         || mediaFeature == deviceAspectRatioMediaFeature
         || mediaFeature == hoverMediaFeature
         || mediaFeature == anyHoverMediaFeature
         || mediaFeature == transform3dMediaFeature
@@ skipping 151 matching lines @@
         output.append('/');
         output.append(printNumber(denominator));
     } else if (isID) {
         output.append(getValueName(id));
     }
 
     return output.toString();
 }
 
 } // namespace