Remove unused project resolver reference

Author: albertzaharovits

server/src/main/java/org/elasticsearch/indices/IndicesService.java

@@ -316,7 +316,6 @@ protected void doStart() {
             clusterService.getClusterSettings(),
             nodeEnv
         );
-        this.projectResolver = builder.projectResolver;
         this.client = builder.client;
         this.featureService = builder.featureService;
         this.idFieldDataEnabled = INDICES_ID_FIELD_DATA_ENABLED_SETTING.get(clusterService.getSettings());