remove makework gh actions #252

Job	Run time
build (16.x, ubuntu-latest, bash)	3m 23s
build (16.x, macos-latest, bash)	3m 40s
build (16.x, windows-latest, bash)	5m 16s
build (16.x, windows-latest, powershell)	6m 2s
build (18.x, ubuntu-latest, bash)	2m 28s
build (18.x, macos-latest, bash)	3m 24s
build (18.x, windows-latest, bash)	3m 18s
build (18.x, windows-latest, powershell)	5m 4s
build (20.x, ubuntu-latest, bash)	3m 15s
build (20.x, macos-latest, bash)	4m 4s
build (20.x, windows-latest, bash)	3m 44s
build (20.x, windows-latest, powershell)	4m 27s
	48m 5s

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