## Description

During Elasticsearch boot, users get the following message:

> license mode is [trial], currently licensed security realms are [reserved/reserved,file/default_file,native/default_native]

Even if it's technically true (and necessary), it may be confusing for end users since they may expect `[basic]` instead.

## Proposal

Avoid the message reporting the trial license, since the "correct" license level is written again later in the boot process.
x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/authc/Realms.java
}
    protected List<Realm> initRealms(List<RealmConfig> realmConfigs) throws Exception {
        List<Realm> realms = new ArrayList<>();
        Map<String, Set<String>> nameToRealmIdentifier = new HashMap<>();
        Map<Integer, Set<String>> orderToRealmName = new HashMap<>();
        List<RealmConfig.RealmIdentifier> reservedPrefixedRealmIdentifiers = new ArrayList<>();
        for (RealmConfig config : realmConfigs) {
            Realm.Factory factory = factories.get(config.identifier().getType());
            assert factory != null : "unknown realm type [" + config.identifier().getType() + "]";
            if (config.identifier().getName().startsWith(RealmSettings.RESERVED_REALM_AND_DOMAIN_NAME_PREFIX)) {
                reservedPrefixedRealmIdentifiers.add(config.identifier());
            }
            if (config.enabled() == false) {
                if (logger.isDebugEnabled()) {
                    logger.debug("realm [{}] is disabled", config.identifier());
                }
                continue;
            }
            Realm realm = factory.create(config);
            nameToRealmIdentifier.computeIfAbsent(realm.name(), k -> new HashSet<>())
                .add(RealmSettings.realmSettingPrefix(realm.type()) + realm.name());
            orderToRealmName.computeIfAbsent(realm.order(), k -> new HashSet<>()).add(realm.name());
            realms.add(realm);
        }
        checkUniqueOrders(orderToRealmName);
        Collections.sort(realms);
        maybeAddBasicRealms(realms, realmConfigs);
        
        realms.add(0, reservedRealm);
        String duplicateRealms = nameToRealmIdentifier.entrySet()