Revert "Commit updated Javascript packages"

This reverts commit a88734348a.

build/javascript/node_modules/@babel/runtime/helpers/esm/classStaticPrivateFieldSpecGet.js

@@ -1,11 +0,0 @@
-export default function _classStaticPrivateFieldSpecGet(receiver, classConstructor, descriptor) {
-  if (receiver !== classConstructor) {
-    throw new TypeError("Private static access of wrong provenance");
-  }
-
-  if (descriptor.get) {
-    return descriptor.get.call(receiver);
-  }
-
-  return descriptor.value;
-}