Revert "SUNRPC: Make RPCSEC_GSS_KRB5 select CRYPTO instead of depending on it"

Revert "SUNRPC: Make RPCSEC_GSS_KRB5 select CRYPTO instead of depending on it"

Geert reports:
> This is now commit d8e97cc476e33037 ("SUNRPC: Make RPCSEC_GSS_KRB5
> select CRYPTO instead of depending on it") in v6.18-rc1.
> As RPCSEC_GSS_KRB5 defaults to "y", CRYPTO is now auto-enabled in
> defconfigs that didn't enable it before.

Revert while we work out a proper solution and then test it.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Closes: https://lore.kernel.org/linux-nfs/b97cea29-4ab7-4fb6-85ba-83f9830e524f@kernel.org/T/#t
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>