[master] 6b94d9d73 whats-new: Remove incorrect change

[Dridi Boukelmoune]

commit 6b94d9d73839a33ec7d9cdc01597d9e0435fb5d1
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Fri Sep 3 11:48:09 2021 +0200

    whats-new: Remove incorrect change

diff --git a/doc/sphinx/whats-new/changes-trunk.rst b/doc/sphinx/whats-new/changes-trunk.rst
index 591001b86..f2fe4f9de 100644
--- a/doc/sphinx/whats-new/changes-trunk.rst
+++ b/doc/sphinx/whats-new/changes-trunk.rst
@@ -50,7 +50,6 @@ There were changes to the parameters:
 - the default value increased to 96kB for ``workspace_backend``
 - the minimum value increased to 384B for ``workspace_session``
 - the minimum value increased to 65535B for ``h2_initial_window_size``
-- the minimum value increased to 10ms for ``thread_pool_fail_delay``
 - the default value increased to 80kB for ``thread_pool_stack``
 - the default value increased to 64kB for ``thread_pool_stack`` on 32bit
   systems