ml-dsa: avoid param builder

ml-dsa: avoid param builder

Using param builder consumes more resources and it is only beneficial
when dealing with bignums.  Directly using the param helpers is a better
alternative.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26529)