https-proxy decaf cleanup

packages/https-proxy/test/unit/ca_spec.js

@@ -1,11 +1,4 @@
-// TODO: This file was created by bulk-decaffeinate.
-// Sanity-check the conversion and remove this comment.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
-require('../spec_helper')
+const { expect } = require('../spec_helper')
 
 let fs = require('fs-extra')
 const path = require('path')