msvs: Drop the MSVS build system #58

Job	Run time
native (windows-x86_64, "windows-latest")	3m 46s
manylinux (x86)	3m 26s
native (windows-x86, "windows-latest")	5m 0s
mobile (ios-arm64)	4m 25s
manylinux (x86_64)	3m 21s
cross (windows-x86_64-mingw, --host=x86_64-w64-mingw32 --without-prebuilds=sdk:host, g++-mingw-w6...	5m 42s
native (macos-x86_64, "macos-latest")	5m 44s
mobile (android-x86)	4m 30s
manylinux (x86_64-musl)	44s
cross (windows-x86-mingw, --host=i686-w64-mingw32 --without-prebuilds=sdk:host, g++-mingw-w64-i686)	4m 41s
mobile (android-x86_64)	4m 48s
native (macos-arm64, "macos-14")	2m 15s
cross (linux-mips, --host=mips-linux-gnu, g++-mips-linux-gnu)	2m 47s
mobile (android-arm)	3m 57s
manylinux (armhf)	3m 10s
native (linux-x86_64, "ubuntu-latest")	2m 47s
manylinux (arm64)	3m 11s
mobile (android-arm64)	4m 34s
native (linux-x86, "ubuntu-latest")	2m 53s
manylinux (arm64-musl)	3m 16s
native (freebsd-arm64, ["self-hosted", "freebsd", "arm64"])	3m 16s
cross (linux-mipsel, --host=mipsel-linux-gnu, g++-mipsel-linux-gnu)	2m 39s
manylinux (mips)	3m 3s
cross (linux-mips64, --host=mips64-linux-gnuabi64, g++-mips64-linux-gnuabi64)	2m 45s
manylinux (mipsel)	2m 55s
cross (linux-mips64el, --host=mips64el-linux-gnuabi64, g++-mips64el-linux-gnuabi64)	2m 40s
manylinux (mips64)	3m 7s
qnx-armeabi	53s
manylinux (mips64el)	3m 7s
	1h 39m 22s

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