Remove the VeraCrypt survey

wiki/src/home.css

-/* Survey */
-
-#survey {
-  display: none;
-  max-width: 45em;
-  padding: 0.5em 2em 0.5em 9em;
-  background: #b49cd3 url('lib/survey.png') no-repeat top 50% left 2em !important;
-  border: none !important;
-  box-shadow: 1px 1px 5px #ccc;
-  border-radius: 0.5em;
-  box-sizing: border-box;
-  color: black !important;
-  overflow: hidden;
-}
-
-#take-survey {
-  position: relative;
-  width: 100%;
-  height: 1.5em;
-}
-
-#take-survey span {
-  width: 10em;
-  position: absolute;
-  right: 1.2em;
-  top: -1.5em;
-  text-align: center;
-  background: #56347c;
-  border: none !important;
-  box-shadow: 1px 1px 5px #444;
-  border-radius: 0.5em;
-  box-sizing: border-box;
-  color: white;
-  font-weight: bold;
-  padding: 0.2em;
-}

wiki/src/home.html

@@ -2,8 +2,6 @@
 <!-- Changing this title breaks the test suite. See #12134#note-7. -->
 
 [[!meta robots="noindex"]]
-[[!meta stylesheet="home" rel="stylesheet" title=""]]
-[[!meta script="survey"]]
 
 <div id="tor_check">
 <a href="https://check.torproject.org/">
@@ -14,17 +12,4 @@ translation of the label below is long and gets split into two lines. -->
 </a>
 </div>
 
-<a id="survey" href="https://survey.tails.boum.org/index.php/339872?lang=en">
-
-<h2>Survey on <strong>file storage encryption</strong></h2>
-
-<p><b>Contribute to Tails by answering these few questions.</b> (2&ndash;6 minutes)<br/>
-To improve Tails we need to learn how people use it but, unlike others,
-we don't track you against your will. Your answers are anonymous and
-only our team can access the data.</p>
-
-<div id="take-survey"><span>Take the survey!</span></div>
-
-</a>
-
 [[!inline pages="news" raw="yes" sort="age"]]

wiki/src/home/survey.js

-document.addEventListener('DOMContentLoaded', function() {
-
-  var n = 20; // Probability of displaying the survey button is 1/n
-
-  function displaySurvey() {
-    if(Math.floor(n * Math.random()) == 0) {
-      document.getElementById("survey").style.display = "block";
-    }
-  }
-
-  displaySurvey();
-
-});