crypto: nx - Remove unnecessary maxauthsize check

The crypto layer already checks maxauthsize when setauthsize is
called.  So there is no need to check it again within setauthsize.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/nx/nx-aes-gcm.c

@@ -96,9 +96,6 @@ out:
 static int gcm_aes_nx_setauthsize(struct crypto_aead *tfm,
 				  unsigned int authsize)
 {
-	if (authsize > crypto_aead_alg(tfm)->maxauthsize)
-		return -EINVAL;
-
 	crypto_aead_crt(tfm)->authsize = authsize;
 
 	return 0;