remove typeof object check for interop-require-wildcard helper

src/babel/transformation/templates/helper-interop-require-wildcard.js

@@ -3,7 +3,7 @@
     return obj;
   } else {
     var newObj = {};
-    if (typeof obj === "object" && obj !== null) {
+    if (obj !== null) {
       for (var key in obj) {
         if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
       }