Remove unneeded event arguments from event handlers.

src/General/Header.coffee

@@ -348,7 +348,7 @@ Header =
     $.rmClass Header.bar, 'scroll'
     $.rmClass Header.bar, 'autohide' unless Conf['Header auto-hide']
 
-  toggleHideBarOnScroll: (e) ->
+  toggleHideBarOnScroll: ->
     hide = @checked
     $.cb.checked.call @
     Header.setHideBarOnScroll hide

src/Images/ImageExpand.coffee

@@ -76,7 +76,7 @@ ImageExpand =
         toggle post for post in [post, post.clones...]
         return
 
-    playVideos: (e) ->
+    playVideos: ->
       g.posts.forEach (post) ->
         for post in [post, post.clones...]
           {file} = post

src/Miscellaneous/AnnouncementHiding.coffee

@@ -36,7 +36,7 @@ PSAHiding =
 
     $.sync 'hiddenPSA', PSAHiding.sync
 
-  toggle: (e) ->
+  toggle: ->
     if $.hasClass @, 'hide-announcement'
       UTC = +$.id('globalMessage').dataset.utc
       $.set 'hiddenPSA', UTC

src/Monitoring/ThreadUpdater.coffee

@@ -118,14 +118,14 @@ ThreadUpdater =
         -> true
       else
         -> not d.hidden
-    autoUpdate: (e) ->
+    autoUpdate: ->
       ThreadUpdater.count ThreadUpdater.isUpdating = @checked
     interval: (e) ->
       val = parseInt @value, 10
       if val < 1 then val = 1
       ThreadUpdater.interval = @value = val
       $.cb.value.call @ if e
-    load: (e) ->
+    load: ->
       {req} = ThreadUpdater
       switch req.status
         when 200

src/Posting/QR.coffee

@@ -145,7 +145,7 @@ QR =
         else
           $.off d, 'scroll', QR.scrollLock
 
-  scrollLock: (e) ->
+  scrollLock: ->
     if d.activeElement and QR.nodes.el.contains(d.activeElement) and d.activeElement.nodeName is 'IFRAME'
       window.scroll window.scrollX, QR.scrollY
     else