xe: microkernels: use default for trivial ctor

Author: atkassen

src/gpu/intel/microkernels/protocol.hpp

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright 2024 Intel Corporation
+* Copyright 2024-2025 Intel Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -118,7 +118,7 @@ struct StructuredType {
     enum Format { Scalar, GlobalPointer, LocalPointer, Tensor } format = Scalar;
     int ndims = 1;
 
-    StructuredType() {}
+    StructuredType() = default;
     StructuredType(Type type_) : type(type_) {}
     StructuredType(Format format_) : format(format_) {}
     StructuredType(int ndims_) : format(Tensor), ndims(ndims_) {}