Fix compiler warnings in dynamic fusion

Remove conflicting Padding2D from the unused comparison operator in the
prototpye

Resolve unused variables in release mode

Resolves COMPMID-5683

Signed-off-by: SiCong Li <sicong.li@arm.com>
Change-Id: I19d74c57e51e6cf64003ddcbc74227608bb866d2
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/8590
Reviewed-by: Jakub Sujak <jakub.sujak@arm.com>
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/dynamic_fusion/sketch/gpu/GpuKernelComponentGraph.h b/src/dynamic_fusion/sketch/gpu/GpuKernelComponentGraph.h
index fbcb2c1..e4f498b 100644
--- a/src/dynamic_fusion/sketch/gpu/GpuKernelComponentGraph.h
+++ b/src/dynamic_fusion/sketch/gpu/GpuKernelComponentGraph.h
@@ -76,6 +76,7 @@
         const auto                src_tensor_ids = get_tensor_ids(tensors.get_const_src_tensors());
         const auto                dst_tensor_ids = get_tensor_ids(tensors.get_const_dst_tensors());
         bool                      success        = _dependency_graph.add_operator(comp->id(), src_tensor_ids, dst_tensor_ids);
+        ARM_COMPUTE_UNUSED(success);
         ARM_COMPUTE_ERROR_ON(!success);
         _components[comp->id()] = std::move(comp);
         for(auto t : tensors.get_const_src_tensors())