I have a Pro and removed it as well as the grate as @eflyguy mentioned.
I will say however if you have a pro, and want to do this, I would by the cheapest replacement fan in this size or 3d print s duct if you can. I bought one on amazon for $6 and cut everything out of it.
If you remove and leave the fan off, it will allow alot of the air to bypass the finned cooler and it won’t perform well.
Having the duct maintains the air flow and performance of the cooler.
I also ran 6" hose from the glowforge through the fan and to the outlet. The improvement in air flow and static pressure in the forge is crazy.
