tests

Prune Makefile targets, drop unused scripts #374

Job	Run time
style	25s
py-3.8 lib-5.1 windows-latest	4m 31s
py-3.8 lib-5.0 windows-latest	2m 31s
package-source	28s
py-3.8 lib-6.0 ubuntu-latest	9m 0s
package-wheel (macos-latest, arm64)	17m 13s
py-3.8 lib-5.1 ubuntu-latest	3m 56s
package-wheel (macos-latest, x86_64)	29m 43s
py-3.8 lib-5.0 ubuntu-latest	5m 39s
package-wheel (ubuntu-latest, aarch64)	6h 0m 15s
py-pypy3.9 lib-5.0 ubuntu-latest	5m 49s
package-wheel (ubuntu-latest, i686)	22m 37s
py-3.8 lib-5.0 macos-latest	9m 18s
package-wheel (ubuntu-latest, x86_64)	32m 19s
package-wheel (windows-latest, AMD64)	15m 18s
publish	0s
	8h 39m 2s

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