mpi:ec: Remove runtime check in ec_mod.
* mpi/ec-inline.h (mpi_nbits_more_than): Remove. * mpi/ec-nist.c (_gcry_mpi_ec_nist192_mod): Remove runtime check for the size of W. (_gcry_mpi_ec_nist224_mod): Likewise. (_gcry_mpi_ec_nist256_mod): Likewise. (_gcry_mpi_ec_nist384_mod): Likewise. (_gcry_mpi_ec_nist521_mod): Likewise. (ec_secp256k1_mod): Likewise.
It is precondition for those routines.
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>