[Refactor] Use RSTTraversal childrenOfNode in Utils

packages/enzyme/src/Utils.js

@@ -5,6 +5,7 @@ import entries from 'object.entries';
 import functionName from 'function.prototype.name';
 import configuration from './configuration';
 import validateAdapter from './validateAdapter';
+import { childrenOfNode } from './RSTTraversal';
 
 export const ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
 
@@ -181,12 +182,6 @@ export function childrenToSimplifiedArray(nodeChildren) {
   return simplifiedArray;
 }
 
-function childrenOfNode(node) {
-  const props = propsOfNode(node);
-  const { children } = props;
-  return childrenToArray(children);
-}
-
 function isTextualNode(node) {
   return typeof node === 'string' || typeof node === 'number';
 }