Remove the dependency of k8s.io/apimachinery

[mkumatag]

What happened:

k8s.io/apimachinery is used only for the wait.PollImmediate which can be avoid, lets use any alternative available.

ref: https://github.com/ppc64le-cloud/pvsadm/blob/b0ad45b6f6c71c8c4fb9733644f472673dd46b77/cmd/image/import/import.go#L192C14-L192C32

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

Environment:

• pvsadm version (use pvsadm version):
• Environment - On-Prem or IBM PowerVS:
• OS (e.g: cat /etc/os-release):
• Kernel (e.g. uname -a):
• Others:

[kishen-v]

/assign