Remove remaining obsolete noscript captcha code.

src/General/Main.coffee

@@ -2,7 +2,7 @@ Main =
   init: ->
     if location.hostname is 'www.google.com'
       if location.pathname is '/recaptcha/api/fallback'
-        $.ready -> Captcha.noscript.initFrame()
+        $.ready -> Captcha.v2.initFrame()
       $.get 'Captcha Fixes', true, ({'Captcha Fixes': enabled}) ->
         if enabled
           $.ready -> Captcha.fixes.init()

src/General/lib/connection.class

@@ -1,5 +1,5 @@
 class Connection
-  constructor: (@target, @origin, @cb) ->
+  constructor: (@target, @origin, @cb={}) ->
     $.on window, 'message', @onMessage
 
   send: (data) =>

src/Posting/Captcha.noscript.coffee

@@ -1,20 +0,0 @@
-Captcha.noscript =
-  initFrame: ->
-    conn = new Connection window.parent, "#{location.protocol}//boards.4chan.org",
-      response: (response) ->
-        $.id('response').value = response
-        $('.fbc-challenge > form').submit()
-    conn.send
-      token: $('.fbc-verification-token > textarea')?.value
-      error: $('.fbc-error')?.textContent
-    return unless img = $ '.fbc-payload > img'
-    cb = ->
-      canvas = $.el 'canvas'
-      canvas.width  = img.width
-      canvas.height = img.height
-      canvas.getContext('2d').drawImage(img, 0, 0)
-      conn.send {challenge: canvas.toDataURL()}
-    if img.complete
-      cb()
-    else
-      $.on img, 'load', cb

src/Posting/Captcha.v2.coffee

@@ -29,6 +29,11 @@ Captcha.v2 =
       # XXX Greasemonkey 1.x workaround to gain access to GM_* functions.
       $.queueTask => @save false
 
+  initFrame: ->
+    if token = $('.fbc-verification-token > textarea')?.value
+      conn = new Connection window.parent, "#{location.protocol}//boards.4chan.org"
+      conn.send {token}
+
   shouldFocus: false
   timeouts: {}
   postsCount: 0