deprecate languages #265

Job	Run time
build-github-hosted (ubuntu-latest, 16.x)	20s
build-github-hosted (ubuntu-latest, 18.x)	24s
build-github-hosted (ubuntu-latest, 20.x)	17s
build-github-hosted (windows-latest, 16.x)	1m 8s
build-self-hosted (rpi3-32)	1m 59s
build-github-hosted (windows-latest, 18.x)	3m 35s
build-github-hosted (windows-latest, 20.x)	1m 46s
build-self-hosted (rpi3-64)	2m 4s
build-self-hosted (rpi4-32)	1m 58s
build-github-hosted (macos-latest, 16.x)	25s
build-self-hosted (rpi4-64)	1m 14s
build-github-hosted (macos-latest, 18.x)	18s
build-self-hosted (rpi5-64)	51s
build-github-hosted (macos-latest, 20.x)	21s
build-self-hosted (pv-windows-arm64)	21s
	17m 1s

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