fix: remove broken and unused workflows #153

Job	Run time
lint	37s
test (debian, latest)	6m 29s
test_postgresql (debian11)	2m 4s
test (debian, bullseye)	6m 14s
test_postgresql (debian12)	1m 3s
test (debian, buster)	6m 17s
test_postgresql (fedora38)	1m 8s
test (enterpriselinux, 7)	6m 2s
test_postgresql (ubuntu2204)	1m 2s
test (enterpriselinux, 8)	13m 29s
test_postgresql (rockylinux9)	1m 12s
test (enterpriselinux, latest)	6m 40s
test (fedora, 38)	6m 13s
test (fedora, 39)	6m 17s
test (opensuse, latest)	6m 34s
test (ubuntu, latest)	6m 27s
test (ubuntu, focal)	6m 25s
	1h 24m 13s

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