So I've started taking delivery of various bits and bobs - including the CLIP interface and software:
It took a bit of time to get my head around the software, but ultimately I managed to get to the stage where I turned off all airbags from the system, enabling me to disconnect the outgoing wiring loom from the airbag ECU and relocate it up to the passenger footwell. I wasn't able to completely remove the airbag ECU from the system, I guess this is just a step too far.
Note the missing Airbag ECU:
Happy Days