Delete duplicate entry in Misc/NEWS (#673)

It has already been added in the build section.

Author: berkerpeksag

Misc/NEWS

@@ -73,8 +73,6 @@ Core and Builtins
 - 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.