when cluster clean log,please do not restart clusters

[knull-cn]

Feature Request

Is your feature request related to a problem? Please describe:

when run command 'tiup cluster clean --audit-log'(or --log), it will restart all cluster components

Describe the feature you'd like:

when i clean the log, need not restart the cluster components

Why the featue is needed:

Describe alternatives you've considered:

Teachability, Documentation, Adoption, Migration Strategy: