webui: old box template deleted

one/templates/box/key/box.html

-{% extends "box/base/box.html" %}
-{% load i18n %}
-{% load l10n %}
-{% get_current_language as LANGUAGE_CODE %}
-
-{% block title %}
-    {% trans "Public keys" %}
-{% endblock title %}
-
-{% block content %}
-<ul class="entry-list" id="keys">
-    {% for key in keys %}
-        {% include "box/key/entry.html" %}
-    {% endfor %}
-</ul>
-{% endblock content %}