GitHub Actions: remove old workflow #1

Job	Run time
dzil-matrix / Build dist archive	1m 15s
dzil-matrix / Build dist archive	57s
dzil-matrix / Run dist tests / Run dist tests (5.20)	1m 6s
dzil-matrix / Run dist tests / Run tests on v5.20	1m 5s
dzil-matrix / Run dist tests / Run dist tests (5.22)	1m 6s
dzil-matrix / Run dist tests / Run tests on v5.22	1m 10s
dzil-matrix / Run dist tests / Run dist tests (5.24)	1m 7s
dzil-matrix / Run dist tests / Run tests on v5.24	1m 19s
dzil-matrix / Run dist tests / Run dist tests (5.26)	1m 5s
dzil-matrix / Run dist tests / Run tests on v5.26	1m 4s
dzil-matrix / Run dist tests / Run dist tests (5.28)	1m 7s
dzil-matrix / Run dist tests / Run tests on v5.28	1m 9s
dzil-matrix / Run dist tests / Run dist tests (5.30)	1m 6s
dzil-matrix / Run dist tests / Run tests on v5.30	1m 3s
dzil-matrix / Run dist tests / Run dist tests (5.32)	1m 4s
dzil-matrix / Run dist tests / Run tests on v5.32	1m 8s
dzil-matrix / Run dist tests / Run dist tests (5.34)	58s
dzil-matrix / Run dist tests / Run tests on v5.34	58s
dzil-matrix / Run dist tests / Run dist tests (5.36)	57s
dzil-matrix / Run dist tests / Run tests on v5.36	1m 3s
dzil-matrix / Run dist tests / Run dist tests (5.38)	1m 2s
dzil-matrix / Run dist tests / Run tests on v5.38	1m 3s
dzil-matrix / Run dist tests / Run dist tests (devel)	1m 1s
dzil-matrix / Run dist tests / Run tests on vdevel	1m 7s
	26m 0s

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