Remove whitespace around config which couldn't be stored

If I change settings in the web UI, but latter can't write to /etc/icingaweb2, it shows me the desired file contents, so I can deploy them myself – with strange whitespace around it.

Author: Al2Klimov

application/views/scripts/showConfiguration.phtml

@@ -21,7 +21,5 @@
   <?= $this->translate('In case you can access the file by yourself, you can open it and insert the config manually:'); ?>
 </p>
 <p>
-  <pre>
-    <code><?= $this->escape($configString); ?></code>
-  </pre>
+  <pre><code><?= $this->escape($configString); ?></code></pre>
 </p>