Removed django.middleware.doc. Refs #20126.

Small doc changes missed in 66076268.

django/middleware/doc.py

@@ -1,9 +0,0 @@
-"""XViewMiddleware has been moved to django.contrib.admindocs.middleware."""
-
-import warnings
-
-from django.utils.deprecation import RemovedInDjango18Warning
-
-warnings.warn(__doc__, RemovedInDjango18Warning, stacklevel=2)
-
-from django.contrib.admindocs.middleware import XViewMiddleware  # NOQA

docs/internals/deprecation.txt

@@ -154,6 +154,9 @@ details on these changes.
   :class:`django.middleware.common.BrokenLinkEmailsMiddleware` middleware to
   your :setting:`MIDDLEWARE_CLASSES` setting instead.
 
+* ``django.middleware.doc.XViewMiddleware`` will be removed. Use
+  ``django.contrib.admindocs.middleware.XViewMiddleware`` instead.
+
 * ``Model._meta.module_name`` was renamed to ``model_name``.
 
 * Remove the backward compatible shims introduced to rename ``get_query_set``

docs/ref/settings.txt

@@ -1468,7 +1468,7 @@ A tuple of IP addresses, as strings, that:
 
 * See debug comments, when :setting:`DEBUG` is ``True``
 * Receive X headers in admindocs if the ``XViewMiddleware`` is installed (see
-  :doc:`/topics/http/middleware`)
+  :doc:`/ref/contrib/admin/admindocs`)
 
 .. setting:: LANGUAGE_CODE