Remove ParseFieldMatcher usages from SearchService

Author: javanna

core/src/main/java/org/elasticsearch/search/SearchService.java

@@ -28,7 +28,6 @@
 import org.elasticsearch.cluster.ClusterState;
 import org.elasticsearch.cluster.service.ClusterService;
 import org.elasticsearch.common.Nullable;
-import org.elasticsearch.common.ParseFieldMatcher;
 import org.elasticsearch.common.component.AbstractLifecycleComponent;
 import org.elasticsearch.common.lucene.Lucene;
 import org.elasticsearch.common.settings.Setting;
@@ -147,12 +146,9 @@ public class SearchService extends AbstractLifecycleComponent implements IndexEv
 
     private final ConcurrentMapLong<SearchContext> activeContexts = ConcurrentCollections.newConcurrentMapLongWithAggressiveConcurrency();
 
-    private final ParseFieldMatcher parseFieldMatcher;
-
     public SearchService(ClusterService clusterService, IndicesService indicesService,
                          ThreadPool threadPool, ScriptService scriptService, BigArrays bigArrays, FetchPhase fetchPhase) {
         super(clusterService.getSettings());
-        this.parseFieldMatcher = new ParseFieldMatcher(settings);
         this.threadPool = threadPool;
         this.clusterService = clusterService;
         this.indicesService = indicesService;