[release-1.16] Remove `northeurope` from random region selection to be used for perf tests#5359

jackfrancis merged 1 commit intokubernetes-sigs:release-1.16kubernetes-sigs/cluster-api-provider-azure:release-1.16from

k8s-infra-cherrypick-robot:cherry-pick-5358-to-release-1.16k8s-infra-cherrypick-robot/cluster-api-provider-azure:cherry-pick-5358-to-release-1.16Copy head branch name to clipboard