REMOVE.H

The public symbol file NTKRPAMP.PDB for the original release of Windows 10 tells that the kernel is built with the REMOVE.H header at

d:\th\minkernel\ntos\io\pnpmgr

and draws from it the following type definition:

Line Number Type
28 enum _PNP_DEVICE_DELETE_TYPE 

The header REMOVE.H is not known in any Device Driver Kit (DDK) or Windows Driver Kit (WDK).