gui: Extract URL from translated string (fixes #3204)

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/3224

gui/default/syncthing/usagereport/usageReportModalView.html

@@ -6,7 +6,8 @@
     </div>
     <div class="modal-body">
       <p translate>The encrypted usage report is sent daily. It is used to track common platforms, folder sizes and app versions. If the reported data set is changed you will be prompted with this dialog again.</p>
-      <p translate translate-value-url="<a href=&quot;https://data.syncthing.net&quot; target=&quot;_blank&quot;>https://data.syncthing.net</a>">The aggregated statistics are publicly available at {%url%}.</p>
+      <p translate>The aggregated statistics are publicly available at the URL below.</p>
+      <p><a href="https://data.syncthing.net/" target="_blank">https://data.syncthing.net/</a></p>
       <button type="button" class="btn btn-default btn-sm" ng-click="showReportPreview()" ng-show="!reportPreview">
         <span class="fa fa-file-text-o"></span>&nbsp;<span translate>Preview Usage Report</span>
       </button>