[jaegerreceiver] Remove ineffectual warning log #47468

Job	Run time
collector-build	6m 5s
docker-build	6m 35s
supervisor-test	1m 5s
kubernetes-test-matrix (v1.30.0, receiver/k8sclusterreceiver)	6m 23s
kubernetes-test-matrix (v1.30.0, processor/k8sattributesprocessor)	6m 13s
kubernetes-test-matrix (v1.30.0, receiver/kubeletstatsreceiver)	4m 7s
kubernetes-test-matrix (v1.30.0, receiver/k8sobjectsreceiver)	3m 1s
kubernetes-test-matrix (v1.23.17, receiver/k8sclusterreceiver)	6m 40s
kubernetes-test-matrix (v1.23.17, processor/k8sattributesprocessor)	6m 34s
kubernetes-test-matrix (v1.23.17, receiver/kubeletstatsreceiver)	4m 5s
kubernetes-test-matrix (v1.23.17, receiver/k8sobjectsreceiver)	3m 11s
kubernetes-test	1s
	54m 0s

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