remove validate-versions #6

Job	Run time
govulncheck	24s
setup-environment	8s
lint	3m 34s
checks	1m 59s
test-coverage	5m 24s
cross-build-collector (darwin, amd64)	36s
unittest-matrix (ubuntu-latest, ~1.22)	2m 7s
unittest-matrix (ubuntu-latest, ~1.21.12)	2m 5s
cross-build-collector (darwin, arm64)	42s
cross-build-collector (linux, 386)	47s
cross-build-collector (linux, amd64)	48s
cross-build-collector (linux, arm64)	42s
cross-build-collector (linux, ppc64le)	2m 19s
cross-build-collector (linux, arm, 7)	36s
cross-build-collector (linux, s390x)	36s
cross-build-collector (windows, 386)	36s
cross-build-collector (windows, amd64)	49s
unittest	1s
	24m 13s

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