Disable applying XNNPACK delegate by default when benchmarking tflite inside XNNPACK/bench because the intention of those benchmarks is to compare the XNNPACK execution path against the original tflite CPU one.

PiperOrigin-RevId: 374579167
diff --git a/bench/elu.cc b/bench/elu.cc
index 5cd1eb9..9dacb33 100644
--- a/bench/elu.cc
+++ b/bench/elu.cc
@@ -157,7 +157,7 @@
   builder.Finish(model_buffer);
 
   const tflite::Model* model = tflite::GetModel(builder.GetBufferPointer());
-  tflite::ops::builtin::BuiltinOpResolver resolver;
+  tflite::ops::builtin::BuiltinOpResolverWithoutDefaultDelegates resolver;
   tflite::InterpreterBuilder interpreterBuilder(model, resolver);
   std::unique_ptr<tflite::Interpreter> interpreter;
   if (interpreterBuilder(&interpreter) != kTfLiteOk) {