components: Remove double export
KUBEVIRT_PROVIDER is already exported at the sourced
cluster.sh, no need to override it.
It just confuse and harder to maintain because it will
ignore the cluster.sh value which is the main one we use.
@@ -22,7 +22,6 @@ source hack/components/yaml-utils.sh
source cluster/cluster.sh
# Spin up Kubernetes cluster
-export KUBEVIRT_PROVIDER='k8s-1.23'
make cluster-down cluster-up
# Export .kubeconfig full path, so it will be possible
