Delete duplicate entry in Misc/NEWS (#673)

It has already been added in the build section.
diff --git a/Misc/NEWS b/Misc/NEWS
index 4c5efef..03f70dc 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -73,8 +73,6 @@
 - Issue #28598: Support __rmod__ for subclasses of str being called before
   str.__mod__.  Patch by Martijn Pieters.
 
-- bpo-29572: Update Windows build and OS X installers to use OpenSSL 1.0.2k.
-
 - bpo-29607: Fix stack_effect computation for CALL_FUNCTION_EX.
   Patch by Matthieu Dartiailh.