Deleting list items like subnet & load balancer, returned on first iteration and it never processes remaining items

[dharaneeshvrd]

/kind bug /area provider/ibmcloud

What steps did you take and what happened: [A clear and concise description of what the bug is.] Need a refactoring on deletion logic of VPC subnets and load balancers

What did you expect to happen:

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

Environment:

• Cluster-api version:
• Minikube/KIND version:
• Kubernetes version: (use kubectl version):
• OS (e.g. from /etc/os-release):

[Amulyam24]

/assign