Update calibration.md

contribution/mobile/en/tutorial/calibration.md

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 # Calibration
-![CalibrationStation](/resources/mobile-tutorial/CalibrationStation.png)
+![image](https://github.com/DexterHuang/CyberCodeOnline/assets/18545294/84a0f895-5a3e-4648-b93d-375ae1a469c2)
 
 **Calibration** upgrades gear for longevity and usability at higher levels, but doesn't increase its level - it only increases its base stats to a certain tier.