removing unneeded code

src/Physics/Plugins/babylon.cannonJSPlugin.ts

@@ -338,7 +338,6 @@
             object.computeWorldMatrix && object.computeWorldMatrix(true);
             // The delta between the mesh position and the mesh bounding box center
             var center = impostor.getObjectCenter();
-            var extendSize = impostor.getObjectExtendSize();
             this._tmpDeltaPosition.copyFrom(object.position.subtract(center));
             this._tmpPosition.copyFrom(center);
             var quaternion = object.rotationQuaternion;

src/Physics/babylon.physicsImpostor.ts

@@ -169,7 +169,7 @@ module BABYLON {
         public getObjectExtendSize(): Vector3 {
             if (this.object.getBoundingInfo) {
                 this.object.computeWorldMatrix && this.object.computeWorldMatrix(true);
-                return this.object.getBoundingInfo().boundingBox.extendSizeWorld.scale(2).multiply(this.object.scaling)
+                return this.object.getBoundingInfo().boundingBox.extendSizeWorld.scale(2);
             } else {
                 return PhysicsImpostor.DEFAULT_OBJECT_SIZE;
             }