Remove Animations and Transitions.

sky/engine/core/css/CSSValue.h

Index: sky/engine/core/css/CSSValue.h
diff --git a/sky/engine/core/css/CSSValue.h b/sky/engine/core/css/CSSValue.h
index 7a719f7c26cd096ef38003d645eafdca7d05b41b..779d0aee89b680c61b9128453365e2bfe037dc6c 100644
--- a/sky/engine/core/css/CSSValue.h
+++ b/sky/engine/core/css/CSSValue.h
@@ -89,8 +89,6 @@ public:
     bool isRadialGradientValue() const { return m_classType == RadialGradientClass; }
     bool isShadowValue() const { return m_classType == ShadowClass; }
     bool isTextCloneCSSValue() const { return m_isTextClone; }
-    bool isCubicBezierTimingFunctionValue() const { return m_classType == CubicBezierTimingFunctionClass; }
-    bool isStepsTimingFunctionValue() const { return m_classType == StepsTimingFunctionClass; }
     bool isTransformValue() const { return m_classType == CSSTransformClass; }
     bool isLineBoxContainValue() const { return m_classType == LineBoxContainClass; }
     bool isCalcValue() const {return m_classType == CalculationClass; }
@@ -117,10 +115,6 @@ protected:
         LinearGradientClass,
         RadialGradientClass,
 
-        // Timing function classes.
-        CubicBezierTimingFunctionClass,
-        StepsTimingFunctionClass,
-
         // Other class types.
         AspectRatioClass,
         BorderImageSliceClass,