Orchestrator should be up and running without argo-cd

[vikramdevtron]

Summary

Orchestrator should be running up without having any argocd infra setup.

Motivation

Remove dependencies of argocd in case of no-gitops.

Proposal

Remove the redundant client initialisation in case of no gitops or base infra setup from orchestrator codebase.

[vikramdevtron]

closed in #2293