Windows 10 Version 1903 - June 2021 Samples Update
- DeviceEnumerationAndPairing: Remove unused C++/WinRT code that didn't work anyway.
- FilePicker: Add some comments about how to access the picked file.
- Simple3DGameDX: Improve standard conformance in C++/WinRT sample.
- SocketActivityStreamSocket: Mention CheckNetIsolationTool.exe in the README.
- Geolocation, UserInfo: Ported to C++/WinRT.