defltprov: remove duplicate algorithm names.
defltprov: remove duplicate algorithm names.

Ed25519 and Ed448 contained aliases that were the same as the primary name.
This removes the aliases leaving ED25519 and ED448 as the canonical names.

Matching is case insensitive, so no functionality is lost.  The FIPS provider
didn't include the duplicates.

Reviewed-by: Matt Caswell <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13308)

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