xrRender_R4: Possible fix to DX11 crash on game startup

Слиты xottab-duty запросил слияние github/fork/ShokerStlk/pr_xd_dev_5 в xd_dev

Created by: ShokerStlk

People still whine that DX11 does not work. It should fix it. Revert [4c4fad62] - added support for creation with feature level from 9.1 to 11.1