Remove metrics skipping on Kubernetes 1.34

[nixpanic]

Remove this function once kubernetes/kubernetes/#133847 has been addressed and a release is available (Kubernetes 1.34.2?).

ceph-csi/e2e/utils.go

Lines 1690 to 1705 in 3053eb5

	// k8sBrokenMetrics detects if Kubernetes 1.34 is used, this version has broken
	// kube_volume_stats_* metrics:
	// https://github.com/kubernetes/kubernetes/issues/133847
	func k8sBrokenMetrics(c kubernetes.Interface) bool {
	if brokenMetrics == nil {
	broken := true
	functional := true
	if k8sVersionGreaterEquals(c, 1, 34) && !k8sVersionGreaterEquals(c, 1, 35) {
	brokenMetrics = &broken
	} else {
	brokenMetrics = &functional
	}
	}
	return *brokenMetrics
	}