Avoid duplicate Cobra CLI error output in generated commands #36714

Job	Run time
setup-environment	20s
test-coverage	11m 22s
lint	13m 50s
unittest-matrix (ubuntu-latest, stable)	6m 35s
checks	2m 21s
unittest-matrix (ubuntu-latest, oldstable)	6m 51s
govulncheck	3m 15s
cross-build-collector (linux, s390x)	1m 0s
cross-build-collector (linux, amd64)	56s
cross-build-collector (linux, arm64)	1m 2s
cross-build-collector (darwin, arm64)	1m 4s
cross-build-collector (windows, amd64)	1m 2s
cross-build-collector (windows, arm64)	55s
cross-build-collector (aix, ppc64)	59s
cross-build-collector (linux, arm, 7)	53s
cross-build-collector (darwin, amd64)	54s
cross-build-collector (windows, 386)	53s
cross-build-collector (linux, 386)	53s
cross-build-collector (linux, ppc64le)	56s
cross-build-collector (linux, riscv64)	59s
unittest	2s
	57m 2s

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