IVGCVSW-4482 Remove boost::ignore_unused

* replaced boost::ignore_unused with armnn::IgnoreUnused

Signed-off-by: Jan Eilers <jan.eilers@arm.com>
Change-Id: I4443a3620ed7d51b151af67c070d4225e410b5fa
diff --git a/test/Dilation.hpp b/test/Dilation.hpp
index adc9947..d0189c9 100644
--- a/test/Dilation.hpp
+++ b/test/Dilation.hpp
@@ -8,8 +8,8 @@
 #include "DriverTestHelpers.hpp"
 
 #include <armnn/LayerVisitorBase.hpp>
+#include <armnn/utility/IgnoreUnused.hpp>
 
-#include <boost/core/ignore_unused.hpp>
 #include <boost/test/unit_test.hpp>
 
 #include <numeric>
@@ -53,10 +53,10 @@
                                  const Optional<ConstTensor>& biases,
                                  const char *name = nullptr) override
     {
-        ignore_unused(layer);
-        ignore_unused(weights);
-        ignore_unused(biases);
-        ignore_unused(name);
+        IgnoreUnused(layer);
+        IgnoreUnused(weights);
+        IgnoreUnused(biases);
+        IgnoreUnused(name);
 
         CheckDilationParams(descriptor);
     }
@@ -67,10 +67,10 @@
                                           const Optional<ConstTensor>& biases,
                                           const char *name = nullptr) override
     {
-        ignore_unused(layer);
-        ignore_unused(weights);
-        ignore_unused(biases);
-        ignore_unused(name);
+        IgnoreUnused(layer);
+        IgnoreUnused(weights);
+        IgnoreUnused(biases);
+        IgnoreUnused(name);
 
         CheckDilationParams(descriptor);
     }