Extend generic confirm_delete template for locale confirm_delete template

wagtail/locales/templates/wagtaillocales/confirm_delete.html

@@ -1,22 +1,18 @@
 {% extends "wagtailadmin/generic/confirm_delete.html" %}
 {% load i18n %}
 
-{% block content %}
-    {% include "wagtailadmin/shared/header.html" with title=view.page_title subtitle=view.get_page_subtitle icon=view.header_icon %}
-
-    <div class="nice-padding">
-        {% if can_delete %}
-            <p>{{ view.confirmation_message }}</p>
-
-            <form action="{{ view.get_delete_url }}" method="POST">
-                {% csrf_token %}
-                <input type="submit" value="{% trans 'Yes, delete' %}" class="button serious" />
-                <a href="{% url 'wagtaillocales:edit' locale.id %}" class="button button-secondary">{% trans "Back" %}</a>
-            </form>
-        {% else %}
-            <p>{{ view.cannot_delete_message }}</p>
+{% block main_content %}
+    {% if can_delete %}
+        <p>{{ view.confirmation_message }}</p>
 
+        <form action="{{ view.get_delete_url }}" method="POST">
+            {% csrf_token %}
+            <input type="submit" value="{% trans 'Yes, delete' %}" class="button serious" />
             <a href="{% url 'wagtaillocales:edit' locale.id %}" class="button button-secondary">{% trans "Back" %}</a>
-        {% endif %}
-    </div>
+        </form>
+    {% else %}
+        <p>{{ view.cannot_delete_message }}</p>
+
+        <a href="{% url 'wagtaillocales:edit' locale.id %}" class="button button-secondary">{% trans "Back" %}</a>
+    {% endif %}
 {% endblock %}