"tiup cluster prune " command error

[circle006]

1. Minimal reproduce step (Required)

There are some nodes can be pruned: 
        Nodes: [ip:port]
        You can destroy them with the command: `tiup-cluster prune tidb-test`

2. What did you expect to see?

You can destroy them with the command: tiup cluster prune tidb-test

3. What did you see instead

You can destroy them with the command: tiup-cluster prune tidb-test

4. What is your TiDB version?

tiup -v
1.16.2 tiup
Go Version: go1.24.1
Git Ref: HEAD
GitHash: 2ba6ce0

[ti-chi-bot]

Welcome @circle006! It looks like this is your first issue to pingcap/tiup 🎉

[circle006]

This problem is unique to pingkai