update link to privacy policy

.ci/analytics/gdpr-banner.html

@@ -17,6 +17,6 @@
     <div class="banner-buttons">
         <a class="btn lap-accept">Accept cookies for aggregated statistics</a>
         <a class="btn lap-refuse">No thanks, only technically necessary cookies</a>
-        <a class="btn lap-cookies-more" href="privacy-policy">More information</a>
+        <a class="btn lap-cookies-more" href="https://courses.lcsb.uni.lu/privacy-policy">More information</a>
     </div>
 </div>
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.ci/analytics/policy.html

 <div class="bottomPrivacy">
-    <a href="privacy-policy">Privacy Policy</a>
+    <a href="https://courses.lcsb.uni.lu/privacy-policy">Privacy Policy</a>
     (<span id="doNotTrack-text"><span id="gdpr-result-text"></span> - <a href="javascript: showBanner();">change</a></span>)
 </div>
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