Drop _gcry_cipher_ofb_decrypt as it duplicates _gcry_cipher_ofb_encrypt
* cipher/cipher.c (cipher_decrypt): Use _gcry_cipher_ofb_encrypt for OFB decryption. * cipher/cipher-internal.h: Remove _gcry_cipher_ofb_decrypt declaration. * cipher/cipher-ofb.c (_gcry_cipher_ofb_decrypt): Remove. (_gcry_cipher_ofb_encrypt): remove copying of IV to lastiv, it's unused there.
- Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>