Add subinterpreters removal from issue pythongh-84694 PRs pythongh-93185 / pythongh-93306

CAM-Gerlach · ericsnowcurrently · CAM-Gerlach · commit 1790dddb53bd · 2022-10-16T18:06:43.000-05:00
Co-authored-by: Eric Snow &lt;ericsnowcurrently@gmail.com&gt;
diff --git a/Doc/whatsnew/3.11.rst b/Doc/whatsnew/3.11.rst
@@ -1667,6 +1667,10 @@ Removed
   Python's test suite."
   (Contributed by Victor Stinner in :issue:`46852`.)
 
+* The ``--experimental-isolated-subinterpreters`` configure flag
+  (and corresponding ``EXPERIMENTAL_ISOLATED_SUBINTERPRETERS``)
+  have been removed.
+
 * Pynche --- The Pythonically Natural Color and Hue Editor --- has been moved out
   of ``Tools/scripts`` and is `being developed independently
   <https://gitlab.com/warsaw/pynche/-/tree/main>`_ from the Python source tree.
