We do need to remove the old captcha when forcing noscript one.

Fix for 210b6bd20161286ace683ad1590a8df637f60de7.

src/Posting/Captcha.replace.coffee

@@ -24,10 +24,11 @@ Captcha.replace =
   noscript: ->
     return unless (original = $ '#g-recaptcha, #captchaContainerAlt') and (noscript = $ 'noscript')
     span = $.el 'span',
+      id: 'captcha-forced-noscript'
       innerHTML: noscript.textContent
     Captcha.replace.iframe $('iframe', span)
     $.replace noscript, span
-    original.hidden = true
+    $.rm original
 
   v1: ->
     return unless $.id 'g-recaptcha'

src/Posting/Captcha.v2.coffee

@@ -3,7 +3,7 @@ Captcha.v2 =
 
   init: ->
     return if d.cookie.indexOf('pass_enabled=1') >= 0
-    return unless (@isEnabled = !!$ '#g-recaptcha, #captchaContainerAlt')
+    return unless (@isEnabled = !!$ '#g-recaptcha, #captchaContainerAlt, #captcha-forced-noscript')
 
     if (@noscript = Conf['Force Noscript Captcha'] or not Main.jsEnabled)
       $.addClass QR.nodes.el, 'noscript-captcha'