crypto: api - Remove frontend argument from extsize/init_tfm

As the extsize and init_tfm functions belong to the frontend the
frontend argument is superfluous.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/shash.c b/crypto/shash.c
index 3b1b06b..7063e14 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -448,8 +448,7 @@
 	return 0;
 }
 
-static int crypto_shash_init_tfm(struct crypto_tfm *tfm,
-				 const struct crypto_type *frontend)
+static int crypto_shash_init_tfm(struct crypto_tfm *tfm)
 {
 	struct crypto_shash *hash = __crypto_shash_cast(tfm);
 
@@ -457,8 +456,7 @@
 	return 0;
 }
 
-static unsigned int crypto_shash_extsize(struct crypto_alg *alg,
-					 const struct crypto_type *frontend)
+static unsigned int crypto_shash_extsize(struct crypto_alg *alg)
 {
 	return alg->cra_ctxsize;
 }