Remove statistics on the number of pods in the fedProject overview

Created by: harrisonliu5

Describe the bug A clear and concise description of what the bug is.

It is not easy to display the pods' resources of the FedProject separately, so it is recommended to remove the statistics of the pods

For UI issues please also add a screenshot that shows the issue.

Versions used(KubeSphere/Kubernetes) KubeSphere: 3.1.1

/assign @kubesphere/sig-console

/priority low