MB-33315: Switch Capella default for ephemeral bucket failover

Switch failover_ephemeral_no_replica default to false.

Change-Id: I6d69ea59d563b0c903fcdf94c1daf8d184b1cab2
Reviewed-on: https://review.couchbase.org/c/ns_server/+/209593
Well-Formed: Restriction Checker
Reviewed-by: Peter Searby <peter.searby@couchbase.com>
Well-Formed: Build Bot <build@couchbase.com>
Tested-by: Neelima Premsankar <neelima.premsankar@couchbase.com>

etc/provisioned_profile

@@ -7,6 +7,5 @@
   {[bucket, data_size, enabled], true},
   {[disk_usage, enabled], true},
   {[collections_per_quota, enabled], true}]}.
-{failover_ephemeral_no_replicas, true}.
 {{n1ql, sequential_scan_disabled}, true}.
 {allow_hash_migration_during_auth, true}.

src/auto_failover.erl

@@ -928,8 +928,6 @@ validate_membase_buckets(Snapshot, ValidateFun) ->
     AllowEphemeralFailover =
         case ns_config:read_key_fast(failover_ephemeral_no_replicas,
                                      undefined) of
-            undefined ->
-                config_profile:get_bool(failover_ephemeral_no_replicas);
             X when is_boolean(X) -> X;
             _ -> false
         end,