[18.0-fr1] Update converge test controlplane kustomize directory

[jamepark4]

Backport of [1]
With VA1's network stage was decoupled from controlplane, need to update kustomize directory to reflect new directory structure in architecture repo [2]

[1] #2753
[2] openstack-k8s-operators/architecture@3105c9e

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[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://softwarefactory-project.io/zuul/t/rdoproject.org/buildset/0d12c20caa5941e8a4fc87cbaa274eda

✔️ noop SUCCESS in 0s
✔️ cifmw-pod-ansible-test SUCCESS in 8m 29s
✔️ cifmw-pod-pre-commit SUCCESS in 8m 01s
✔️ build-push-container-cifmw-client SUCCESS in 22m 57s
❌ cifmw-molecule-ci_gen_kustomize_values FAILURE in 7m 55s