Revert "targetObject to node"

This reverts commit 83e839c517a9744a141b44231022ee99618a260a.

src/animation/PropertyBinding.js

@@ -330,7 +330,7 @@ Object.assign( PropertyBinding.prototype, { // prototype, continued
 
 			function setValue_direct( buffer, offset ) {
 
-				this.node[ this.propertyName ] = buffer[ offset ];
+				this.targetObject[ this.propertyName ] = buffer[ offset ];
 
 			},
 
@@ -594,15 +594,15 @@ Object.assign( PropertyBinding.prototype, { // prototype, continued
 		// determine versioning scheme
 		var versioning = this.Versioning.None;
 
+		this.targetObject = targetObject;
+
 		if ( targetObject.needsUpdate !== undefined ) { // material
 
 			versioning = this.Versioning.NeedsUpdate;
-			this.targetObject = targetObject;
 
 		} else if ( targetObject.matrixWorldNeedsUpdate !== undefined ) { // node transform
 
 			versioning = this.Versioning.MatrixWorldNeedsUpdate;
-			this.targetObject = targetObject;
 
 		}