switch from hardware object to string

and replace mac address to disk serial number
for more predictable hash key

Azaion.Inference/security.pyx

@@ -3,8 +3,6 @@ import hashlib
 import os
 from hashlib import sha384
 from credentials cimport Credentials
-from hardware_service cimport HardwareInfo
-
 from cryptography.hazmat.backends import default_backend
 from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
 from cryptography.hazmat.primitives import padding
@@ -48,8 +46,8 @@ cdef class Security:
         return bytes(plaintext_bytes)
 
     @staticmethod
-    cdef get_hw_hash(HardwareInfo hardware):
-        cdef str key = f'Azaion_{hardware.mac_address}_{hardware.cpu}_{hardware.gpu}'
+    cdef get_hw_hash(str hardware):
+        cdef str key = f'Azaion_{hardware}_%$$$)0_'
         return Security.calc_hash(key)
 
     @staticmethod