remove sanity check from ossl_rsa_todata

remove sanity check from ossl_rsa_todata

Theres no reason we should gate ossl_rsa_todata on there being a minimum
set of parameters. EVP_PKEY_todata makes no guarantees about the
validity of a key, it only returns the parameters that are set in the
requested key, whatever they may be.  Remove the check.

Fixes #21935

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22334)

(cherry picked from commit 4ad3a44ba45a4026170336161228d435f6784564)