[Remote Routing Table] Delete stale index routing table files

[shailendra0811]

Is your feature request related to a problem? Please describe

With the updates in routing table configuration there would be a pile of stale index routing files which are no longer required.

Describe the solution you'd like

Periodic clean up of stale index routing files at X internal (defaults to 5 min, configurable from cluster setting) once 10 stale manifest are present from RemoteClusterStateCleanupManager.

Related component

ShardManagement:Resiliency