Remove IOKit / IOMainPort / IOMMasterPort logic #119

Job	Run time
build-dragonflybsd-latest-gcc	2m 20s
build-macos-latest-clang	39s
build-netbsd-latest-gcc	3m 3s
build-freebsd-latest-clang	2m 19s
build-openbsd-latest-clang	2m 38s
build-solaris-latest-gcc	6m 43s
build-ubuntu-latest-clang-analyzer	1m 18s
build-ubuntu-latest-clang-sanitizer	1m 11s
build-ubuntu-latest-full-featured-clang	1m 13s
build-ubuntu-latest-full-featured-gcc	55s
build-ubuntu-latest-gcc-static	52s
build-ubuntu-latest-minimal-clang	1m 5s
build-ubuntu-latest-minimal-gcc	38s
build-ubuntu-latest-pcp	26s
lint-pcp-config	3s
lint-whitespace	4s
	25m 27s

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