uadk_engine: delete several unused functions

Delete several unused functions in asymmetric encryption algorithm to
improve code clarity.

Signed-off-by: lizhi <lizhi206@huawei.com>
Signed-off-by: JiangShui Yang <yangjiangshui@h-partners.com>

Author: lizhi

src/uadk_pkey.h

@@ -75,13 +75,10 @@ int uadk_get_affine_coordinates(const EC_GROUP *group, const EC_POINT *p,
 int uadk_init_ecc(void);
 const EVP_PKEY_METHOD *get_openssl_pkey_meth(int nid);
 int uadk_sm2_create_pmeth(struct uadk_pkey_meth *pkey_meth);
-void uadk_sm2_delete_pmeth(struct uadk_pkey_meth *pkey_meth);
 int uadk_ec_create_pmeth(struct uadk_pkey_meth *pkey_meth);
 void uadk_ec_delete_meth(void);
 int uadk_x448_create_pmeth(struct uadk_pkey_meth *pkey_meth);
-void uadk_x448_delete_pmeth(struct uadk_pkey_meth *pkey_meth);
 int uadk_x25519_create_pmeth(struct uadk_pkey_meth *pkey_meth);
-void uadk_x25519_delete_pmeth(struct uadk_pkey_meth *pkey_meth);
 int uadk_bind_ec(ENGINE *e);
 int uadk_e_ecc_get_numa_id(void);
 int uadk_e_ecc_get_support_state(int alg_tag);