crypto: ahash - remove crypto_ahash_alignmask

crypto_ahash_alignmask() no longer has any callers, and it always
returns 0 now that neither ahash nor shash algorithms support nonzero
alignmasks anymore.  Therefore, remove it.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

include/crypto/hash.h

@@ -342,12 +342,6 @@ static inline const char *crypto_ahash_driver_name(struct crypto_ahash *tfm)
 	return crypto_tfm_alg_driver_name(crypto_ahash_tfm(tfm));
 }
 
-static inline unsigned int crypto_ahash_alignmask(
-	struct crypto_ahash *tfm)
-{
-	return crypto_tfm_alg_alignmask(crypto_ahash_tfm(tfm));
-}
-
 /**
  * crypto_ahash_blocksize() - obtain block size for cipher
  * @tfm: cipher handle