Restart resilient mode behavior

I find this behavior to be _very odd_, but it matches what we have under
test. Specifically, it seems bizarre to call `next` and then do
_anything_ with the response still, calling `next` signifies "I'm done
here"!!?!?!!

Author: Robert Jackson

src/index.js

@@ -35,7 +35,6 @@ function fastbootExpressMiddleware(distPath, options) {
       if (result.error) {
         log('RESILIENT MODE CAUGHT:', result.error.stack);
         next(result.error);
-        return;
       }
 
       let headers = result.headers;