src: remove unused function GetName() in node_perf

PR-URL: nodejs/node#49244
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Deokjin Kim <deokjin81.kim@gmail.com>

graal-nodejs/src/node_perf.cc

@@ -215,18 +215,6 @@ static void RemoveGarbageCollectionTracking(
   GarbageCollectionCleanupHook(env);
 }
 
-// Gets the name of a function
-inline Local<Value> GetName(Local<Function> fn) {
-  Local<Value> val = fn->GetDebugName();
-  if (val.IsEmpty() || val->IsUndefined()) {
-    Local<Value> boundFunction = fn->GetBoundFunction();
-    if (!boundFunction.IsEmpty() && !boundFunction->IsUndefined()) {
-      val = GetName(boundFunction.As<Function>());
-    }
-  }
-  return val;
-}
-
 // Notify a custom PerformanceEntry to observers
 void Notify(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);