Remove tons of OILPAN.

sky/engine/core/animation/animatable/AnimatableLengthPoint.cpp

Index: sky/engine/core/animation/animatable/AnimatableLengthPoint.cpp
diff --git a/sky/engine/core/animation/animatable/AnimatableLengthPoint.cpp b/sky/engine/core/animation/animatable/AnimatableLengthPoint.cpp
index 01dc7e1626317b3a5a11990dd526efa11e1685c6..b66a41254502b9e3fa6913855ad017ac393f34b2 100644
--- a/sky/engine/core/animation/animatable/AnimatableLengthPoint.cpp
+++ b/sky/engine/core/animation/animatable/AnimatableLengthPoint.cpp
@@ -47,11 +47,4 @@ bool AnimatableLengthPoint::equalTo(const AnimatableValue* value) const
     return x()->equals(lengthPoint->x()) && y()->equals(lengthPoint->y());
 }
 
-void AnimatableLengthPoint::trace(Visitor* visitor)
-{
-    visitor->trace(m_x);
-    visitor->trace(m_y);
-    AnimatableValue::trace(visitor);
-}
-
 }