more code cleanup

app.js

@@ -154,9 +154,6 @@
         $$('button').map(function ($el) { $el.disabled = false; });
       })
       
-      // jws = jwk.sign(payload)
-      // jwt = jws.protected + '.' + jws.payload + '.' + jws.signature
-
     });
 
     $('.js-generate').hidden = false;