[CRYPTO] api: Remove deprecated interface

This patch removes the old cipher interface and related code.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 7196f50..a86a55c 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -828,9 +828,7 @@
 		mutex_unlock(&crypt_stat->cs_tfm_mutex);
 		goto out;
 	}
-	crypto_blkcipher_set_flags(crypt_stat->tfm,
-				   (ECRYPTFS_DEFAULT_CHAINING_MODE
-				    | CRYPTO_TFM_REQ_WEAK_KEY));
+	crypto_blkcipher_set_flags(crypt_stat->tfm, CRYPTO_TFM_REQ_WEAK_KEY);
 	mutex_unlock(&crypt_stat->cs_tfm_mutex);
 	rc = 0;
 out: