Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

build/javascript/node_modules/@babel/runtime/helpers/inherits.js

@@ -1,18 +0,0 @@
-var setPrototypeOf = require("./setPrototypeOf");
-
-function _inherits(subClass, superClass) {
-  if (typeof superClass !== "function" && superClass !== null) {
-    throw new TypeError("Super expression must either be null or a function");
-  }
-
-  subClass.prototype = Object.create(superClass && superClass.prototype, {
-    constructor: {
-      value: subClass,
-      writable: true,
-      configurable: true
-    }
-  });
-  if (superClass) setPrototypeOf(subClass, superClass);
-}
-
-module.exports = _inherits;