Remove IOKit / IOMainPort / IOMMasterPort logic #4809

Job	Run time
build-freebsd-latest-clang	2m 2s
build-macos-latest-clang	39s
build-dragonflybsd-latest-gcc	2m 19s
build-netbsd-latest-gcc	2m 39s
build-openbsd-latest-clang	2m 15s
build-solaris-latest-gcc	3m 48s
build-ubuntu-latest-clang-sanitizer	1m 7s
build-ubuntu-latest-clang-analyzer	2m 3s
build-ubuntu-latest-full-featured-clang	1m 12s
build-ubuntu-latest-full-featured-gcc	52s
build-ubuntu-latest-gcc-static	51s
build-ubuntu-latest-minimal-clang	1m 43s
build-ubuntu-latest-minimal-gcc	36s
build-ubuntu-latest-pcp	40s
lint-pcp-config	2s
lint-whitespace	2s
	22m 50s

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