[Web] Fix UTF-8 symbol

data/web/user.php

@@ -42,7 +42,7 @@ if (isset($_SESSION['mailcow_cc_role']) && $_SESSION['mailcow_cc_role'] == 'doma
               foreach ($tfa_data['additional'] as $key_info): ?>
                 <form style="display:inline;" method="post">
                 <input type="hidden" name="unset_tfa_key" value="<?=$key_info['id'];?>" />
-                <div class="label label-default">🔑 <?=$key_info['key_id'];?> <a href="#" style="font-weight:bold;color:white" onClick="$(this).closest('form').submit()">[<?=strtolower($lang['admin']['remove']);?>]</a></div>
+                <div class="label label-default">🔑 <?=$key_info['key_id'];?> <a href="#" style="font-weight:bold;color:white" onClick="$(this).closest('form').submit()">[<?=strtolower($lang['admin']['remove']);?>]</a></div>
               </form>
               <?php endforeach;
               endif;?>