It was only being used for fs::remove() (added in #3463), which is easily
replaced by std::remove().
The code change does not affect the WPILib tools, as this code is not used when JSON save files are used.
These hide the platform specifics behind a common C++ API. Platforms:
- Windows: DirectX 11 (with 10 backwards compatibility)
- Linux: OpenGL 3
- Mac: Metal