rename remaining places

Author: mshustov

src/legacy/core_plugins/elasticsearch/index.js

@@ -72,7 +72,7 @@ export default function (kibana) {
         }
 
         const cluster = new Cluster(
-          server.newPlatform.setup.core.elasticsearch.createClient(name, clientConfig)
+          server.newPlatform.setup.core.elasticsearch.legacy.createClient(name, clientConfig)
         );
 
         clusters.set(name, cluster);

x-pack/plugins/monitoring/server/kibana_monitoring/bulk_uploader.js

@@ -50,14 +50,14 @@ export class BulkUploader {
     this._usageInterval = TELEMETRY_COLLECTION_INTERVAL;
     this._log = log;
 
-    this._cluster = elasticsearch.createClient('admin', {
+    this._cluster = elasticsearch.legacy.createClient('admin', {
       plugins: [monitoringBulk],
     });
 
     if (hasMonitoringCluster(config.elasticsearch)) {
       this._log.info(`Detected direct connection to monitoring cluster`);
       this._hasDirectConnectionToMonitoringCluster = true;
-      this._cluster = elasticsearch.createClient('monitoring-direct', config.elasticsearch);
+      this._cluster = elasticsearch.legacy.createClient('monitoring-direct', config.elasticsearch);
       elasticsearch.legacy.client.callAsInternalUser('info').then((data) => {
         this._productionClusterUuid = get(data, 'cluster_uuid');
       });