[1.5.x] Fixed #19291 -- Completed deprecation of ADMIN_MEDIA_PREFIX.

Backport of 9b755a2 from master.

docs/internals/deprecation.txt

@@ -140,6 +140,11 @@ these changes.
   removed.  In its place use
   :class:`~django.contrib.staticfiles.handlers.StaticFilesHandler`.
 
+* The template tags library ``adminmedia`` and the template tag ``{%
+  admin_media_prefix %}`` will be removed in favor of the generic static files
+  handling. (This is faster than the usual deprecation path; see the
+  :doc:`Django 1.4 release notes</releases/1.4>`.)
+
 * The :ttag:`url` and :ttag:`ssi` template tags will be
   modified so that the first argument to each tag is a template variable, not
   an implied string. In 1.4, this behavior is provided by a version of the tag
@@ -232,10 +237,6 @@ these changes.
   :setting:`LOGGING` setting should include this filter explicitly if
   it is desired.
 
-* The template tag
-  :func:`django.contrib.admin.templatetags.adminmedia.admin_media_prefix`
-  will be removed in favor of the generic static files handling.
-
 * The builtin truncation functions :func:`django.utils.text.truncate_words`
   and :func:`django.utils.text.truncate_html_words` will be removed in
   favor of the ``django.utils.text.Truncator`` class.

docs/ref/settings.txt

@@ -2210,16 +2210,6 @@ The default value for the X-Frame-Options header used by
 Deprecated settings
 ===================
 
-.. setting:: ADMIN_MEDIA_PREFIX
-
-ADMIN_MEDIA_PREFIX
-------------------
-
-.. deprecated:: 1.4
-   This setting has been obsoleted by the ``django.contrib.staticfiles`` app
-   integration. See the :doc:`Django 1.4 release notes</releases/1.4>` for
-   more information.
-
 .. setting:: AUTH_PROFILE_MODULE
 
 AUTH_PROFILE_MODULE

docs/releases/1.5.txt

@@ -574,6 +574,11 @@ Miscellaneous
   HTML validation against pre-HTML5 Strict DTDs, you should add a div around it
   in your pages.
 
+* The template tags library ``adminmedia``, which only contained the
+  deprecated template tag ``{% admin_media_prefix %}``, was removed.
+  Attempting to load it with ``{% load adminmedia %}`` will fail. If your
+  templates still contain that line you must remove it.
+
 Features deprecated in 1.5
 ==========================