text: Title: cheking UID's in windows, follow on (quick pr)
  Body: **What happened**:
  
  follow on to https://github.com/kubernetes/kubernetes/pull/96172
  
  Need to comment and avoid checking UID on windows.  requires some research into what we **should** be checking so that we can add appropriate TODO.
  
  **What you expected to happen**:
  
  Lets also check this at the call site, https://github.com/kubernetes/kubernetes/blob/199d48728f33692dc5a5e8b808a064bd3e40b51a/cmd/kubelet/app/server.go#L757 
  
  **Anything else we need to know?**:
  
  **Environment**:
  - Kubernetes version (use `kubectl version`): master
  - OS (e.g: `cat /etc/os-release`): windows
  