Remove things

index.js

@@ -72,8 +72,8 @@ app.use(route.get('/freshclam', require('./routes/freshclam.js')));
  * Return a 200 OK response, so that Elastic Beanstalk can check if the server
  * is still online.
  */
-app.use(route.get('/health', (req, res, next) => {
-  res.status(200).end();
+app.use(route.get('/health', () => {
+  this.status = 200;
 }));
 
 // Listen on 8080

routes/freshclam.js

@@ -5,16 +5,12 @@ const freshClam = require('../lib/freshclam.js');
  * > GET /freshclam
  * Run freshclam to update the virus database.
  */
-module.exports = function* freshclam(next) {
+module.exports = function* freshclam() {
   freshClam().then(() => {
-    this.body = null;
     this.status = 200;
-    yield;
   }).catch(err => {
     console.error('failed to update virus definitions');
     console.error(err);
-    this.body = null;
     this.status = 500;
-    yield;
   });
 }