receiver/httpcheck: stop double-emitting TLS cert-remaining data point #88521

Job	Run time
docker-build	13m 1s
collector-build	12m 56s
supervisor-test	7m 4s
kubernetes-test-matrix (v1.35.0, processor/k8sattributesprocessor)	9m 42s
kubernetes-test-matrix (v1.34.0, receiver/kubeletstatsreceiver)	5m 12s
kubernetes-test-matrix (v1.34.0, processor/resourcedetectionprocessor)	13m 24s
kubernetes-test-matrix (v1.34.0, receiver/k8sobjectsreceiver)	5m 34s
kubernetes-test-matrix (v1.34.0, receiver/k8sclusterreceiver)	12m 48s
kubernetes-test-matrix (v1.34.0, processor/k8sattributesprocessor)	10m 43s
kubernetes-test-matrix (v1.34.0, extension/observer/k8sobserver)	4m 25s
kubernetes-test-matrix (v1.35.0, receiver/kubeletstatsreceiver)	5m 43s
kubernetes-test-matrix (v1.35.0, receiver/k8sobjectsreceiver)	4m 22s
kubernetes-test-matrix (v1.35.0, receiver/k8sclusterreceiver)	12m 36s
kubernetes-test-matrix (v1.35.0, processor/resourcedetectionprocessor)	11m 43s
kubernetes-test-matrix (v1.35.0, extension/observer/k8sobserver)	3m 53s
kubernetes-test	2s
	2h 13m 8s

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