IVGCVSW-4482 Remove boost::ignore_unused

!referencetests:229377

Signed-off-by: Jan Eilers <jan.eilers@arm.com>
Change-Id: Ia9b360b4a057fe7bbce5b268092627c09a0dba82
diff --git a/tests/DeepSpeechV1InferenceTest.hpp b/tests/DeepSpeechV1InferenceTest.hpp
index ac28bbb..07b55d2 100644
--- a/tests/DeepSpeechV1InferenceTest.hpp
+++ b/tests/DeepSpeechV1InferenceTest.hpp
@@ -7,8 +7,9 @@
 #include "InferenceTest.hpp"
 #include "DeepSpeechV1Database.hpp"
 
+#include <armnn/utility/IgnoreUnused.hpp>
+
 #include <boost/assert.hpp>
-#include <boost/core/ignore_unused.hpp>
 #include <boost/numeric/conversion/cast.hpp>
 #include <boost/test/tools/floating_point_comparison.hpp>
 
@@ -37,7 +38,7 @@
 
     TestCaseResult ProcessResult(const InferenceTestOptions& options) override
     {
-        boost::ignore_unused(options);
+        armnn::IgnoreUnused(options);
         const std::vector<float>& output1 = boost::get<std::vector<float>>(this->GetOutputs()[0]); // logits
         BOOST_ASSERT(output1.size() == k_OutputSize1);