Backup Tolerations are not applied restore pods till 2.4

https://docs.couchbase.com/operator/2.3/resource/couchbasecluster.html#couchbaseclusters-spec-backup-tolerations

According to https://issues.couchbase.com/browse/K8S-2869

Tolerations are not applied to restore pods and it is fixed in 2.4. 

Tolerations specifies all backup and restore pod tolerations. 

This line in 2.3 documentation need to be fixed.