If you've ever repacked a c/b hub, you've noticed that everything sandwiches together, keeping it all tight. If you remove the brake shoes, you'll create a gap, and there'll be more play elsewhere in the hub. That will kill bearings and I suspect it'll hurt the drive mechanism too. You'll also find that you're likely to have engagement problems, where you turn the crank most of the way around before it "grabs"...
A lot of folks, bitd, used to weld freewheels to the driver. This isn't my style, but it makes sense on cheap cb hubs with readily available parts, like the KT or the Shimano cb-e110. You'll need to replace the driver when the freewheel dies, but that's cheap and easy....
110mm freewheel hubs cost, like, $8. Just sayin'.