icp: remove unused KCF_ macros

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Closes openzfs#16209

module/icp/include/sys/crypto/impl.h

@@ -187,28 +187,6 @@ typedef	struct kcf_mech_entry {
 	avl_node_t	me_node;
 } kcf_mech_entry_t;
 
-/*
- * If a component has a reference to a kcf_policy_desc_t,
- * it REFHOLD()s. A new policy descriptor which is referenced only
- * by the policy table has a reference count of one.
- */
-#define	KCF_POLICY_REFHOLD(desc) {				\
-	int newval = atomic_add_32_nv(&(desc)->pd_refcnt, 1);	\
-	ASSERT(newval != 0);					\
-}
-
-/*
- * Releases a reference to a policy descriptor. When the last
- * reference is released, the descriptor is freed.
- */
-#define	KCF_POLICY_REFRELE(desc) {				\
-	membar_producer();					\
-	int newval = atomic_add_32_nv(&(desc)->pd_refcnt, -1);	\
-	ASSERT(newval != -1);					\
-	if (newval == 0)					\
-		kcf_policy_free_desc(desc);			\
-}
-
 /*
  * Global tables. The sizes are from the predefined PKCS#11 v2.20 mechanisms,
  * with a margin of few extra empty entry points
@@ -275,29 +253,14 @@ extern const kcf_mech_entry_tab_t kcf_mech_tabs_tab[];
  * of type kcf_prov_desc_t.
  */
 
-#define	KCF_PROV_DIGEST_OPS(pd)		((pd)->pd_ops_vector->co_digest_ops)
 #define	KCF_PROV_CIPHER_OPS(pd)		((pd)->pd_ops_vector->co_cipher_ops)
 #define	KCF_PROV_MAC_OPS(pd)		((pd)->pd_ops_vector->co_mac_ops)
 #define	KCF_PROV_CTX_OPS(pd)		((pd)->pd_ops_vector->co_ctx_ops)
 
-/*
- * Wrappers for crypto_digest_ops(9S) entry points.
- */
-
-#define	KCF_PROV_DIGEST_INIT(pd, ctx, mech) ( \
-	(KCF_PROV_DIGEST_OPS(pd) && KCF_PROV_DIGEST_OPS(pd)->digest_init) ? \
-	KCF_PROV_DIGEST_OPS(pd)->digest_init(ctx, mech) : \
-	CRYPTO_NOT_SUPPORTED)
-
 /*
  * Wrappers for crypto_cipher_ops(9S) entry points.
  */
 
-#define	KCF_PROV_ENCRYPT_INIT(pd, ctx, mech, key, template) ( \
-	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->encrypt_init) ? \
-	KCF_PROV_CIPHER_OPS(pd)->encrypt_init(ctx, mech, key, template) : \
-	CRYPTO_NOT_SUPPORTED)
-
 #define	KCF_PROV_ENCRYPT_ATOMIC(pd, mech, key, plaintext, ciphertext, \
 	    template) ( \
 	(KCF_PROV_CIPHER_OPS(pd) && KCF_PROV_CIPHER_OPS(pd)->encrypt_atomic) ? \