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Just remap it! If you're on Windows, SharpKeys will do that for you. https://github.com/randyrants/sharpkeys

I have autohotkey for remapping. The issue is when i boot into a rpi with a new build, i don't want to pollute it with custom xbind mappings.

usbhidproxy would seem to fit the bill, then https://github.com/moonsightz/usbhidproxy