IVGCVSW-4482 Remove boost::ignore_unused

!referencetests:229377

Signed-off-by: Jan Eilers <jan.eilers@arm.com>
Change-Id: Ia9b360b4a057fe7bbce5b268092627c09a0dba82
diff --git a/src/backends/backendsCommon/test/layerTests/ResizeTestImpl.cpp b/src/backends/backendsCommon/test/layerTests/ResizeTestImpl.cpp
index a6e0ca1..e95f18b 100644
--- a/src/backends/backendsCommon/test/layerTests/ResizeTestImpl.cpp
+++ b/src/backends/backendsCommon/test/layerTests/ResizeTestImpl.cpp
@@ -73,7 +73,7 @@
     const armnn::IBackendInternal::IMemoryManagerSharedPtr& memoryManager,
     const ResizeTestParams& params)
 {
-    boost::ignore_unused(memoryManager);
+    IgnoreUnused(memoryManager);
     armnn::TensorInfo inputInfo(params.m_InputShape, ArmnnType);
     armnn::TensorInfo outputInfo(params.m_OutputShape, ArmnnType);