emulators/Ymir: Update to 0.2.0
While here:
- Remove obsolete CMAKE_OFF=Ymir_SHARED_LIBS.
- Remove whitespace in post-install target, reported by portfmt(1).
- Remove obsolete patch for devel/tomlplusplus handling.
- Remove obsolete patch for vendored mio library.
- Refresh patches.
- Update pkg-descr.
Changelog: https://github.com/StrikerX3/Ymir/releases/tag/v0.2.0
PR: 290208
Reported by: Stefan Schlosser <bsdcode@disroot.org> (maintainer)