decaffeinate: Run post-processing cleanups on AccessTokenEncryptor.coffee

libraries/access-token-encryptor/lib/coffee/AccessTokenEncryptor.js

@@ -1,3 +1,5 @@
+// TODO: This file was created by bulk-decaffeinate.
+// Sanity-check the conversion and remove this comment.
 /*
  * decaffeinate suggestions:
  * DS101: Remove unnecessary use of Array.from