Irrelevant links

[siprok]

There are irrelevant references to the manufacturer docs at the https://github.com/Enapter/marketplace/tree/main/fuel_cells/intelligent_energy_fcm_80x_rl6
https://github.com/Enapter/marketplace/tree/main/fuel_cells/intelligent_energy_fcm_801
https://github.com/Enapter/marketplace/tree/main/fuel_cells/intelligent_energy_fcm_804