new: update NEWS.md so it is correct.
new: update NEWS.md so it is correct.

- Removing the deprecation note for public key commands.
- Fixing the note about ECX and SHAKE in the FIPS provider.
- Noting which KDFs are included.
- Noting which MACs are included.

Fixes #15743

Reviewed-by: Shane Lontis <452ce16516ceed26291fe7de3f8b53540d83864e@oracle.com>
Reviewed-by: Matt Caswell <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15746)

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl