Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

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

@@ -1,11 +0,0 @@
-function _initializerDefineProperty(target, property, descriptor, context) {
-  if (!descriptor) return;
-  Object.defineProperty(target, property, {
-    enumerable: descriptor.enumerable,
-    configurable: descriptor.configurable,
-    writable: descriptor.writable,
-    value: descriptor.initializer ? descriptor.initializer.call(context) : void 0
-  });
-}
-
-module.exports = _initializerDefineProperty;