If I am running 8.5.1 elastic version. can I remove old system index like
.kibana_task_manager_1...
.kibana_7.17.1_001, 002 etc..
.kibana-event-log-7.17.1...
.kibana_task_manager_7.17.1_001...
.security-7
.monitoring-kibana-7
is it safe to do?