[discovery] Simplify the instructions for partial success (#4912) #7

Job	Run time
docker-otelcol (amd64)	8m 39s
docker-otelcol (arm64)	19m 21s
integration-vet (amd64)	1m 34s
integration-test (amd64, integration)	6m 18s
integration-vet (arm64)	1m 59s
integration-test (amd64, smartagent)	9m 32s
integration-test (arm64, integration)	5m 50s
integration-test (arm64, smartagent)	9m 59s
	1h 3m 12s

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