Instead of messing around with a file in the source tree and risk commiting it
use cmake -DUNATTENDED_BOOTCD=yes to enable it, and use the UNATTENDED_BOOTCD_* cache variables to configure
- Make "ReactOS Server" the default product option again instead of "ReactOS Workstation".
- Write "Service Pack" info onto registry.
- Add ProductOption option to bootcd unattend.inf.
- Delete IDC_PRODUCT_SUITE and IDC_PRODUCT_TYPE controls.
CORE-17028