/kind feature

Describe the solution you'd like
[A clear and concise description of what you want to happen.]

• Just as CAPZ has kind-reset to clear our any kind clusters created via kind-create, CAPZ should have a aks-reset make target to clear out any aks-clusters created using aks-create.

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

Environment:

• cluster-api-provider-azure version:
• Kubernetes version: (use kubectl version):
• OS (e.g. from /etc/os-release):