removed res.send and the comments

packages/slackbot-proxy/src/controllers/slack.ts

@@ -169,10 +169,6 @@ export class SlackCtrl {
 
     const { body, authorizeResult } = req;
 
-    // Send response immediately to avoid opelation_timeout error
-    // See https://api.slack.com/apis/connections/events-api#the-events-api__responding-to-events
-    // res.send();
-
     // pass
     if (body.ssl_check != null) {
       return;