Revert "[D3D12] ROV: Round unorm/snorm to nearest rather than nearest even"
Revert "[D3D12] ROV: Round unorm/snorm to nearest rather than nearest even"

This reverts commit 216998eb5676662077e4fb549808de564853cac8.

sephiroth99/xenia,sephiroth99/xenia,sephiroth99/xenia