Remove YogaNode.create() from the abstract class

Summary:
Remove YogaNode.create() from the abstract class after we made sure nothing uses it anymore
This is the final stage to make `YogaNode` a pure class without JNI references

Reviewed By: SidharthGuglani

Differential Revision: D17280571

fbshipit-source-id: bd0eb138f7a6a9de8988fc0a7b90badbf635dac5

java/com/facebook/yoga/YogaNode.java

@@ -9,14 +9,6 @@ package com.facebook.yoga;
 import javax.annotation.Nullable;
 
 public abstract class YogaNode {
-  public static YogaNode create() {
-    return new YogaNodeJNIFinalizer();
-  }
-
-  public static YogaNode create(YogaConfig config) {
-    return new YogaNodeJNIFinalizer(config);
-  }
-
   public abstract void reset();
 
   public abstract int getChildCount();