Remove 'low on cached captchas' notifications.

src/Posting/QR.coffee

@@ -724,18 +724,6 @@ QR =
     # Enable auto-posting if we have stuff left to post, disable it otherwise.
     postsCount = QR.posts.length - 1
     QR.cooldown.auto = postsCount and isReply
-    if QR.cooldown.auto and QR.captcha.isEnabled and (captchasCount = QR.captcha.captchas.length) < 3 and captchasCount < postsCount
-      notif = new Notification 'Quick reply warning',
-        body: "You are running low on cached captchas. Cache count: #{captchasCount}."
-        icon: Favicon.logo
-      notif.onclick = ->
-        QR.open()
-        window.focus()
-        QR.captcha.setup true
-      notif.onshow = ->
-        setTimeout ->
-          notif.close()
-        , 7 * $.SECOND
 
     unless Conf['Persistent QR'] or postsCount
       QR.close()