Restore content of variable deleted while still in use

Deletion: 5845659

_posts/2014-06-20-CFP-Open.md

@@ -9,7 +9,7 @@ categories: news
 
 Our Call for Participation is Open!
 
-[Submit your presentation]({{ site.custom.url.survey.cpf }})
+[Submit your presentation](http://survey.seagl.org/index.php/935137/lang-en)
 now.
 
 The Seattle GNU/Linux Conference is now seeking presenters. We want to present a

_posts/2014-07-29-CFP-Extension.md

@@ -11,7 +11,7 @@ Our Call for Participation has been extended to August 3rd!
 
 If you have been on the fence about participating, or thought you had missed
 the early deadine, fear not, for we have decided to give everybody an extra bit
-of time to [get their awesome submissions in]({{ site.custom.url.survey.cpf }})!
+of time to [get their awesome submissions in](http://survey.seagl.org/index.php/935137/lang-en)!
 
 <strong>The NEW CFP deadline is midnight on August 3rd (PDT).</strong> We look
 forward to seeing you this fall in Seattle!