crypto: aegis128 - drop empty TFM init/exit routines

TFM init/exit routines are optional, so no need to provide empty ones.
Reviewed-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/aegis128.c

@@ -403,22 +403,11 @@ static int crypto_aegis128_decrypt(struct aead_request *req)
 	return crypto_memneq(tag.bytes, zeros, authsize) ? -EBADMSG : 0;
 }
 
-static int crypto_aegis128_init_tfm(struct crypto_aead *tfm)
-{
-	return 0;
-}
-
-static void crypto_aegis128_exit_tfm(struct crypto_aead *tfm)
-{
-}
-
 static struct aead_alg crypto_aegis128_alg = {
 	.setkey = crypto_aegis128_setkey,
 	.setauthsize = crypto_aegis128_setauthsize,
 	.encrypt = crypto_aegis128_encrypt,
 	.decrypt = crypto_aegis128_decrypt,
-	.init = crypto_aegis128_init_tfm,
-	.exit = crypto_aegis128_exit_tfm,
 
 	.ivsize = AEGIS128_NONCE_SIZE,
 	.maxauthsize = AEGIS128_MAX_AUTH_SIZE,