Remove tailScript code

No longer used with the removal of U2F.

Fixes #506

includes/Fragments/TemplateOutput.php

@@ -17,28 +17,12 @@ trait TemplateOutput
 {
     /** @var Smarty */
     private $smarty;
-    /** @var string Extra JavaScript to include at the end of the page's execution */
-    private $tailScript;
-    /** @var string */
-    private $tailScriptNonce;
 
     /**
      * @return SiteConfiguration
      */
     protected abstract function getSiteConfiguration();
 
-    /**
-     * Include extra JavaScript at the end of the page's execution
-     *
-     * @param $nonce string CSP Nonce generated by ContentSecurityPolicyManager::getNonce()
-     * @param $script string JavaScript to include at the end of the page
-     */
-    final protected function setTailScript($nonce, $script)
-    {
-        $this->tailScriptNonce = $nonce;
-        $this->tailScript = $script;
-    }
-
     /**
      * Assigns a Smarty variable
      *
@@ -102,9 +86,6 @@ final protected function setUpSmarty()
      */
     final protected function fetchTemplate($template)
     {
-        $this->assign('tailScript', $this->tailScript);
-        $this->assign('tailScriptNonce', $this->tailScriptNonce);
-
         return $this->smarty->fetch($template);
     }
 }

templates/base.tpl

@@ -81,12 +81,6 @@
     {foreach from=$extraJs item=js}
         <script src="{$baseurl}{$js.path|escape}" type="{$js.type|escape}" integrity="sha256-{$js.integrity}"></script>
     {/foreach}
-
-    {if $tailScript}
-        <script type="text/javascript" nonce="{$tailScriptNonce}">
-            {$tailScript}
-        </script>
-    {/if}
 {/block}
 </body>
 </html>