Remove leftovers of old way of setting cooldown time.

src/Posting/QR.coffee

@@ -665,7 +665,6 @@ QR =
         onload: ->
           # Upload done, waiting for server response.
           QR.req.isUploadFinished = true
-          QR.req.uploadEndTime    = Date.now()
           QR.req.progress = '...'
           QR.status()
         onprogress: (e) ->
@@ -793,7 +792,7 @@ QR =
       post.rm()
       QR.captcha.setup(d.activeElement is QR.nodes.status)
 
-    QR.cooldown.add Date.now(), threadID, postID
+    QR.cooldown.add threadID, postID
 
     URL = if threadID is postID # new thread
       "#{window.location.origin}/#{g.BOARD}/thread/#{threadID}"

src/Posting/QR.cooldown.coffee

@@ -44,8 +44,9 @@ QR.cooldown =
     QR.cooldown.data = data or {}
     QR.cooldown.start()
 
-  add: (start, threadID, postID) ->
+  add: (threadID, postID) ->
     return unless Conf['Cooldown']
+    start = Date.now()
     boardID = g.BOARD.ID
     QR.cooldown.set boardID, start, {threadID, postID}
     QR.cooldown.set 'global', start, {boardID, threadID, postID} if threadID is postID