[BUG] Investigate and block replication specific index settings to snapshot

[saikaranam-amazon]

Describe the bug
Investigate and block replication specific index settings to snapshot

To Reproduce
Steps to reproduce the behavior:

1. Get the snapshot of replicating index in the follower cluster.
2. Restore the snapshot (in same cluster with different name/ or in different cluster).
3. See the index settings on that restored index.

Investigation/Validation

• Validate the use-case for preserving all the index settings on the restored index.
• Block index settings that doesn't have to be preserved in the snapshot.