Remove doc as it confuses xgettext

weblate/html/i18n.html

@@ -19,12 +19,6 @@ These are from django-registration and django.contrib.auth.
 
 <!-- 
 Language names 
-
-Generated using:
-./manage.py dumpdata - -format=yaml lang | \
-    grep fields:| \
-    sed 's/.*name: /{% trans "/; s/, nplu.*/" %}/'
-
 -->
 {% trans "Afrikaans" %}
 {% trans "Akan" %}