MM-17071 Remove auto responder logic from App.SendNotifications (#11789)

* MM-17071 Remove auto responder logic from App.SendNotifications

* Log errors returned by SendAutoResponseIfNecessary

app/post.go

@@ -393,6 +393,13 @@ func (a *App) handlePostEvents(post *model.Post, user *model.User, channel *mode
 		return err
 	}
 
+	a.Srv.Go(func() {
+		_, err := a.SendAutoResponseIfNecessary(channel, user)
+		if err != nil {
+			mlog.Error("Failed to send auto response", mlog.String("user_id", user.Id), mlog.String("post_id", post.Id), mlog.Err(err))
+		}
+	})
+
 	if triggerWebhooks {
 		a.Srv.Go(func() {
 			if err := a.handleWebhookEvents(post, team, channel, user); err != nil {