Xorg's XIWarpPointer doesn't support multi-head display while XWarpPointer does. Revert since this is a known TODO in Xorg and setting a custom xinput matrix seems not to be used often. Resolves T50383
Xorg's XIWarpPointer doesn't support multi-head display while XWarpPointer does. Revert since this is a known TODO in Xorg and setting a custom xinput matrix seems not to be used often. Resolves T50383