He's still one of the main architects of some of these code branches,
but quite often PRs that modify one or two files in such folders don't
necessarily need his input, and he has enough backlog to handle.
PR triagers will ask for his review manually whenever relevant. He's
left as code owner for physics/visual servers and rendering backends.
We've been defaulting to WASAPI since 3.0 and it's superior to RtAudio
in all aspects.
Obsoletes and closes#25503.
Also enable WINMIDI on MinGW, this had been missed initially.
Fix os_windows.cpp and crash_handler_windows.cpp which had weird
dependencies on RtAudio.h's includes (ugh).
