pohly: client-go: reduce log level of reflector again

JobBuild
102788
06-10 18:43
fd972934
06-10 18:42
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pull-kubernetes-e2e-gce-ubuntu-containerd 1403082521276583936 1403077366548271104 1403059918889553920
pull-kubernetes-e2e-kind 1403082521356275712 1403077366611185664 1403059918939885568
pull-kubernetes-e2e-kind-ipv6 1403082521414995968 1403077366648934400 1403059918973440000
pull-kubernetes-integration 1403082521305944064 1403077366581825536 1403059918910525440
pull-kubernetes-node-crio-e2e 1403088881917628416 1403082525475082240 1403059919061520384
pull-kubernetes-node-e2e-containerd 1403088881879879680 1403082522119639040 1403077366737014784 1403059919036354560
pull-kubernetes-typecheck 1403082528000053248 1403077366804123648 1403059919686471680
pull-kubernetes-unit 1403082521490493440 1403077366703460352 1403059919019577344
pull-kubernetes-verify 1403082538896855040 1403077368196632576 1403059921359998976
pull-kubernetes-verify-govet-levee 1403082529677774848 1403077367353577472 1403059920525332480