Remove the deprecated simple_history_admin_list.display_list() + **Release 3.9.0** (#1444)

* Removed the deprecated simple_history_admin_list

This was deprecated in 16b7de7.

* Updated release notes for removing display_list()

Author: ddabble

CHANGES.rst

@@ -4,6 +4,13 @@ Changes
 Unreleased
 ----------
 
+
+3.9.0 (2025-01-26)
+------------------
+
+- Removed the ``simple_history_admin_list.display_list()`` template tag that was
+  deprecated in version 3.6.0 (gh-1444)
+
 3.8.0 (2025-01-23)
 ------------------
 
@@ -19,6 +26,8 @@ Unreleased
 - Fixed issue with history button not working when viewing historical entries in the
   admin (gh-527)
 - Added support for Django 5.2 (gh-1441)
+- ``simple_history_admin_list.display_list()`` *was planned to be removed in this
+  release, but it was overlooked, and will instead be removed in 3.9.0*
 
 3.7.0 (2024-05-29)
 ------------------

simple_history/templatetags/simple_history_admin_list.py

@@ -1,13 +1,10 @@
 import unittest
 
-from simple_history import __version__
-from simple_history.templatetags.simple_history_admin_list import display_list
-
 
 class DeprecationWarningTest(unittest.TestCase):
-    def test__display_list__warns_deprecation_and_is_yet_to_be_removed(self):
-        with self.assertWarns(DeprecationWarning):
-            display_list({})
-        # DEV: `display_list()` (and the file `simple_history_admin_list.py`) should be
-        #      removed when 3.8 is released
-        self.assertLess(__version__, "3.8")
+    """Tests that check whether ``DeprecationWarning`` is raised for certain features,
+    and that compare ``simple_history.__version__`` against the version the features
+    will be removed in.
+
+    If this class is empty, it normally means that nothing is currently deprecated.
+    """