Reverting useless change.

Author: afoucret

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/execution/PlanExecutor.java

@@ -42,6 +42,7 @@
 public class PlanExecutor {
 
     private final IndexResolver indexResolver;
+    private final PreAnalyzer preAnalyzer;
     private final EsqlFunctionRegistry functionRegistry;
     private final Mapper mapper;
     private final Metrics metrics;
@@ -58,6 +59,7 @@ public PlanExecutor(
         Settings settings
     ) {
         this.indexResolver = indexResolver;
+        this.preAnalyzer = new PreAnalyzer();
         this.functionRegistry = new EsqlFunctionRegistry();
         this.mapper = new Mapper();
         this.metrics = new Metrics(functionRegistry);
@@ -84,7 +86,7 @@ public void esql(
             cfg,
             indexResolver,
             enrichPolicyResolver,
-            new PreAnalyzer(),
+            preAnalyzer,
             new LogicalPlanPreOptimizer(new LogicalPreOptimizerContext(foldContext)),
             functionRegistry,
             new LogicalPlanOptimizer(new LogicalOptimizerContext(cfg, foldContext)),