Positivo smart keypad: do not persist unlock notification dps

custom_components/tuya_local/devices/ble_positivo_smart_keypad.yaml

@@ -38,10 +38,12 @@ entities:
         type: string
         name: unlock_password
         optional: true
+        persist: false
       - id: 58
         type: string
         name: unlock_temp_pwd
         optional: true
+        persist: false
       - id: 60
         type: string
         name: alarm_lock